Horatio Oscar Vineeth Lane (HOV Lane for short) records his commute times for a period of one month and assigned them to five different categories as shown in the table. \[\begin{array} { | c | c | } \hline \text { Commute Length } & \text { Number af Observations } \\ \hline \text { commute time } < 10 \text { minutes } & 1 \\ \hline 10 \leq \text { commute time } < 20 \text { minutes } & 2 \\ \hline 20 \leq \text { commute time } < 30 \text { minutes } & 4 \\ \hline 30 \leq \text { commute time } < 40 \text { minutes } & 9 \\ \hline 40 \leq \text { commute time } < 50 \text { minutes } & 4 \\ \hline \end{array}\] -What is the cumulative probability for the three shortest commute categories?

The answer of Horatio Oscar Vineeth Lane (HOV Lane for...

Horatio Oscar Vineeth Lane (HOV Lane for short) records his commute times for a period of one month and assigned them to five different categories as shown in the table. \[\begin{array} { | c | c | } \hline \text { Commute Length } & \text { Number af Observations } \\ \hline \text { commute time } < 10 \text { minutes } & 1 \\ \hline 10 \leq \text { commute time } < 20 \text { minutes } & 2 \\ \hline 20 \leq \text { commute time } < 30 \text { minutes } & 4 \\ \hline 30 \leq \text { commute time } < 40 \text { minutes } & 9 \\ \hline 40 \leq \text { commute time } < 50 \text { minutes } & 4 \\ \hline \end{array}\] -What kind of probability is demonstrated if Mr. Lane is asked to predict the duration of his next commute?

A) subjective probability B) conjecture probability C) objective probability D) reflexive probability A) subjective probability B) conjecture probability C) objective probability D) reflexive probability

Employees of a local company are classified according to gender and job type. The following table summarizes the number of people in each job category. \(\begin{array}{lcc} &\underline{\text { Male (M)}}&\underline{\text {Female (F) }}\\ \underline{\text { Job }}\\ \text { Administrative (AD) } & 110 & 10 \\ \text { Salaried staff (SS) } & 30 & 50 \\ \text { Hourly staff (HS) } & 60 & 40 \end{array}\) -If an employee is selected at random, what is the probability that the employee is female given that the employee is a salaried staff member?

The answer of Employees of a local company are classified...

Exam 11: Probability and Statistics

The Dean's Office keeps tracks of student complaints received each week. The probability distribution for complaints can be represented as a table as shown below. The random variable xi represents the number of complaints, and p(xi) is the probability of receiving xi complaints. -What is the probability that they receive less than 3 complaints in a week?

(Short Answer)

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Question 141

Horatio Oscar Vineeth Lane (HOV Lane for short) records his commute times for a period of one month and assigned them to five different categories as shown in the table. Commute Length Number af Observations commute time <10 minutes 1 10\leq commute time <20 minutes 2 20\leq commute time <30 minutes 4 30\leq commute time <40 minutes 9 40\leq commute time <50 minutes 4 -What is the cumulative probability for the three shortest commute categories?

(Short Answer)

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Question 142

Horatio Oscar Vineeth Lane (HOV Lane for short) records his commute times for a period of one month and assigned them to five different categories as shown in the table. Commute Length Number af Observations commute time <10 minutes 1 10\leq commute time <20 minutes 2 20\leq commute time <30 minutes 4 30\leq commute time <40 minutes 9 40\leq commute time <50 minutes 4 -What kind of probability is demonstrated if Mr. Lane is asked to predict the duration of his next commute?

(Multiple Choice)

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Question 143

Conditional probabilities are shown in Venn diagrams.

(True/False)

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Question 144

A fair die is rolled 8 times. What is the probability that an even number (2, 4, or 6) will occur between 2 and 4 times?

(Multiple Choice)

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Question 145

The weight of a loaf of bread is normally distributed with a mean of 22 oz and a standard deviation of 0.5 oz. What is the probability that a loaf is more than 22.25 oz?

(Short Answer)

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Question 146

Two psychology majors, in two different sections of Clinical Psychology, were comparing test scores. The following gives the students' scores, class mean, and standard deviation for each section: Section 1 Section 2 Student score 84 75 Mean 75 60 Standard deviation 7 8 -Which student scored better compared to the rest of their section?

(Essay)

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Question 147

Employees of a local company are classified according to gender and job type. The following table summarizes the number of people in each job category. Administrative (AD) 110 10 Salaried staff (SS) 30 50 Hourly staff (HS) 60 40 -If an employee is selected at random, what is the probability that the employee is female given that the employee is a salaried staff member?

(Short Answer)

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Question 148

A conditional probability is the probability that an event occurs given that another event has already occurred.

(True/False)

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Question 149

Under the normal curve, the area between z = 2 and z = -2 includes ________ of the values.

(Multiple Choice)

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Question 150

What are the differences between deterministic and probabilistic techniques?

(Essay)

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Question 151

A binomial probability distribution indicates the probability of r successes in n trials.

(True/False)

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Question 152

Conditional probabilities are shown in Venn diagrams.

A fair die is rolled 8 times. What is the probability that an even number (2, 4, or 6) will occur between 2 and 4 times?

The weight of a loaf of bread is normally distributed with a mean of 22 oz and a standard deviation of 0.5 oz. What is the probability that a loaf is more than 22.25 oz?

A conditional probability is the probability that an event occurs given that another event has already occurred.

Under the normal curve, the area between z = 2 and z = -2 includes ________ of the values.

What are the differences between deterministic and probabilistic techniques?

A binomial probability distribution indicates the probability of r successes in n trials.

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