The number of electrical outages in a city varies from day to day.Assume that the number of electrical outages (x) in the city has the following probability distribution. \[\begin{array} { c c } x & f ( x ) \\ \hline 0 & 0.80 \\ 1 & 0.15 \\ 2 & 0.04 \\ 3 & 0.01 \end{array}\] The mean and the standard deviation for the number of electrical outages (respectively) are

A) 2.6 and 5.77 B) 0.26 and 0.577 C) 3 and 0.01 D) 0 and 0.8 A) 2.6 and 5.77 B) 0.26 and 0.577 C) 3 and 0.01 D) 0 and 0.8

The following represents the probability distribution for the daily demand of computers at a local store. \[\begin{array} { c c } \text { Demand } & \text { Probability } \\ 0 & 0.1 \\ 1 & 0.2 \\ 2 & 0.3 \\ 3 & 0.2 \\ 4 & 0.2 \end{array}\] The expected daily demand is

A) 1.0 B) 2.2 C) 2.0 D) 4.0 A) 1.0 B) 2.2 C) 2.0 D) 4.0

The probability distribution for the number of goals the Lions soccer team makes per game is given below. \(\begin{array}{cc} \text { Number } & \\ \text { Of Goals } & \text { Probability } \\ 0 & 0.05 \\ 1 & 0.15 \\ 2 & 0.35 \\ 3 & 0.30 \\ 4 & 0.15 \end{array}\) What is the probability that in a given game the Lions will score at least 1 goal?

A) 0.20 B) 0.55 C) 1.0 D) 0.95 A) 0.20 B) 0.55 C) 1.0 D) 0.95

The following represents the probability distribution for the daily demand of computers at a local store. \[\begin{array} { c c } \text { Demand } & \text { Probability } \\ 0 & 0.1 \\ 1 & 0.2 \\ 2 & 0.3 \\ 3 & 0.2 \\ 4 & 0.2 \end{array}\] The probability of having a demand for at least two computers is

A) 0.7 B) 0.3 C) 0.4 D) 1.0 A) 0.7 B) 0.3 C) 0.4 D) 1.0

Exam 5: Discrete Probability Distributions

A production process produces 2% defective parts.A sample of five parts from the production process is selected.What is the probability that the sample contains exactly two defective parts?

(Multiple Choice)

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Question 61

A random variable that may take on any value in an interval or collection of intervals is known as a

(Multiple Choice)

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Question 62

A numerical description of the outcome of an experiment is called a

(Multiple Choice)

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Question 63

The probability that Pete will catch fish when he goes fishing is .8.Pete is going to fish 3 days next week.Define the random variable x to be the number of days Pete catches fish.The probability that Pete will catch fish on exactly one day is

(Multiple Choice)

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Question 64

The expected value for a binomial distribution is given by equation

(Multiple Choice)

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Question 65

The key difference between the binomial and hypergeometric distribution is that, with the hypergeometric distribution

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Question 66

Experimental outcomes that are based on measurement scales such as time, weight, and distance can be described by _____ random variables.

(Multiple Choice)

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Question 67

The number of electrical outages in a city varies from day to day.Assume that the number of electrical outages (x) in the city has the following probability distribution. x f(x) 0 0.80 1 0.15 2 0.04 3 0.01 The mean and the standard deviation for the number of electrical outages (respectively) are

(Multiple Choice)

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Question 68

The variance Var(x) for the binomial distribution is given by equation

(Multiple Choice)

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Question 69

Four percent of the customers of a mortgage company default on their payments.A sample of five customers is selected.What is the probability that exactly two customers in the sample will default on their payments?

(Multiple Choice)

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Question 70

The following represents the probability distribution for the daily demand of computers at a local store. Demand Probability 0 0.1 1 0.2 2 0.3 3 0.2 4 0.2 The expected daily demand is

(Multiple Choice)

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Question 71

The number of customers that enter a store during one day is an example of

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Question 72

The student body of a large university consists of 60% female students.A random sample of 8 students is selected.What is the probability that among the students in the sample at least 7 are female?

(Multiple Choice)

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Question 73

?In a Poisson probability problem, the rate of defects is one every two hours.To find the probability of three defects in four hours,

(Multiple Choice)

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Question 74

The probability distribution for the number of goals the Lions soccer team makes per game is given below. Number Of Goals Probability 0 0.05 1 0.15 2 0.35 3 0.30 4 0.15 What is the probability that in a given game the Lions will score at least 1 goal?

(Multiple Choice)

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Question 75

In a binomial experiment

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Question 76

The probability that Pete will catch fish when he goes fishing is .8.Pete is going to fish 3 days next week.Define the random variable x to be the number of days Pete catches fish.The probability that Pete will catch fish on one day or less is

(Multiple Choice)

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Question 77

The use of the relative frequency method to develop discrete probability distributions leads to what is called a

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Question 78

The following represents the probability distribution for the daily demand of computers at a local store. Demand Probability 0 0.1 1 0.2 2 0.3 3 0.2 4 0.2 The probability of having a demand for at least two computers is

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Question 79

The student body of a large university consists of 60% female students.A random sample of 8 students is selected.What is the probability that among the students in the sample exactly two are female?

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Question 80

Showing 61 - 80 of 81

A production process produces 2% defective parts.A sample of five parts from the production process is selected.What is the probability that the sample contains exactly two defective parts?

A random variable that may take on any value in an interval or collection of intervals is known as a

A numerical description of the outcome of an experiment is called a

The probability that Pete will catch fish when he goes fishing is .8.Pete is going to fish 3 days next week.Define the random variable x to be the number of days Pete catches fish.The probability that Pete will catch fish on exactly one day is

The expected value for a binomial distribution is given by equation

The key difference between the binomial and hypergeometric distribution is that, with the hypergeometric distribution

Experimental outcomes that are based on measurement scales such as time, weight, and distance can be described by _____ random variables.

The number of electrical outages in a city varies from day to day.Assume that the number of electrical outages (x) in the city has the following probability distribution. x f(x) 0 0.80 1 0.15 2 0.04 3 0.01 The mean and the standard deviation for the number of electrical outages (respectively) are

The variance Var(x) for the binomial distribution is given by equation

Four percent of the customers of a mortgage company default on their payments.A sample of five customers is selected.What is the probability that exactly two customers in the sample will default on their payments?

The following represents the probability distribution for the daily demand of computers at a local store. Demand Probability 0 0.1 1 0.2 2 0.3 3 0.2 4 0.2 The expected daily demand is

The number of customers that enter a store during one day is an example of

The student body of a large university consists of 60% female students.A random sample of 8 students is selected.What is the probability that among the students in the sample at least 7 are female?

?In a Poisson probability problem, the rate of defects is one every two hours.To find the probability of three defects in four hours,

The probability distribution for the number of goals the Lions soccer team makes per game is given below. Number Of Goals Probability 0 0.05 1 0.15 2 0.35 3 0.30 4 0.15 What is the probability that in a given game the Lions will score at least 1 goal?

In a binomial experiment

The probability that Pete will catch fish when he goes fishing is .8.Pete is going to fish 3 days next week.Define the random variable x to be the number of days Pete catches fish.The probability that Pete will catch fish on one day or less is

The use of the relative frequency method to develop discrete probability distributions leads to what is called a

The following represents the probability distribution for the daily demand of computers at a local store. Demand Probability 0 0.1 1 0.2 2 0.3 3 0.2 4 0.2 The probability of having a demand for at least two computers is

The student body of a large university consists of 60% female students.A random sample of 8 students is selected.What is the probability that among the students in the sample exactly two are female?

Data and Statistics

Descriptive Statistics: Tabulargraphical

Descriptive Statistics: Numerical

Introduction to Probability

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Comparing Multiple Proportions, Test of Independence and Goodness of Fit

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Filters

Exam 5: Discrete Probability Distributions

A production process produces 2% defective parts.A sample of five parts from the production process is selected.What is the probability that the sample contains exactly two defective parts?

A random variable that may take on any value in an interval or collection of intervals is known as a

A numerical description of the outcome of an experiment is called a

The probability that Pete will catch fish when he goes fishing is .8.Pete is going to fish 3 days next week.Define the random variable x to be the number of days Pete catches fish.The probability that Pete will catch fish on exactly one day is​

The expected value for a binomial distribution is given by equation

The key difference between the binomial and hypergeometric distribution is that, with the hypergeometric distribution

Experimental outcomes that are based on measurement scales such as time, weight, and distance can be described by _____ random variables.​

The number of electrical outages in a city varies from day to day.Assume that the number of electrical outages (x) in the city has the following probability distribution. x f(x) 0 0.80 1 0.15 2 0.04 3 0.01 The mean and the standard deviation for the number of electrical outages (respectively) are

The variance Var(x) for the binomial distribution is given by equation

Four percent of the customers of a mortgage company default on their payments.A sample of five customers is selected.What is the probability that exactly two customers in the sample will default on their payments?

The following represents the probability distribution for the daily demand of computers at a local store. Demand Probability 0 0.1 1 0.2 2 0.3 3 0.2 4 0.2 The expected daily demand is

The number of customers that enter a store during one day is an example of

The student body of a large university consists of 60% female students.A random sample of 8 students is selected.What is the probability that among the students in the sample at least 7 are female?

?In a Poisson probability problem, the rate of defects is one every two hours.To find the probability of three defects in four hours,

The probability distribution for the number of goals the Lions soccer team makes per game is given below. Number Of Goals Probability 0 0.05 1 0.15 2 0.35 3 0.30 4 0.15 What is the probability that in a given game the Lions will score at least 1 goal?

In a binomial experiment

The probability that Pete will catch fish when he goes fishing is .8.Pete is going to fish 3 days next week.Define the random variable x to be the number of days Pete catches fish.The probability that Pete will catch fish on one day or less is

The use of the relative frequency method to develop discrete probability distributions leads to what is called a​

The following represents the probability distribution for the daily demand of computers at a local store. Demand Probability 0 0.1 1 0.2 2 0.3 3 0.2 4 0.2 The probability of having a demand for at least two computers is

The student body of a large university consists of 60% female students.A random sample of 8 students is selected.What is the probability that among the students in the sample exactly two are female?

Data and Statistics

Descriptive Statistics: Tabulargraphical

Descriptive Statistics: Numerical

Introduction to Probability

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Comparing Multiple Proportions, Test of Independence and Goodness of Fit

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Filters

The probability that Pete will catch fish when he goes fishing is .8.Pete is going to fish 3 days next week.Define the random variable x to be the number of days Pete catches fish.The probability that Pete will catch fish on exactly one day is

Experimental outcomes that are based on measurement scales such as time, weight, and distance can be described by _____ random variables.

The use of the relative frequency method to develop discrete probability distributions leads to what is called a