A) 35 B) 840 C) 210 D) 21 E) undefined A) 35 B) 840 C) 210 D) 21 E) undefined

Find the standard deviation $\sigma$ for the following probability distribution. Round your answer to three decimal places. \[\begin{array} { l l l l c c } x & 1 & 2 & 3 & 4 & 5 \\ P ( x ) & \frac { 2 } { 5 } & \frac { 1 } { 10 } & \frac { 1 } { 10 } & \frac { 1 } { 10 } & \frac { 3 } { 10 } \end{array}\]

A) 2.800 B) 1.720 C) 8.762 D) 2.960 E) 1.673 A) 2.800 B) 1.720 C) 8.762 D) 2.960 E) 1.673

Exam 17: Probability Web

Find the probability for the experiment of drawing two marbles (without replacement) from a bag containing three green, six yellow, and four red marbles such that the marbles are different colors.

(Multiple Choice)

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Question 41

Sketch the graph of the following probability density function and locate the mean on the graph. $f ( x ) = \frac { 5 } { 2 } x ^ { 3 / 2 } , [ 0,1 ]$

(Multiple Choice)

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Question 42

The daily demand $x$ for a certain product (in hundreds of pounds) is a random variable with the probability density function $f ( x ) = \frac { 2 } { 9 } x ( 3 - x )$ over the interval $[ 0,3 ]$ . Find the probability that $x$ is within one standard deviation of the mean. Express your answer as a percent.

(Multiple Choice)

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Question 43

Two people are asked their opinions on a political issue. They can answer "Opposed" (O) or "Undecided" (U). Find the sample space S.

(Multiple Choice)

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Question 44

Assume that the probability of the birth of a child of a particular gender is 50%. In a family with seven children, what is the probability that there is at least one girl?

(Multiple Choice)

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Question 45

Find the probability for the experiment of drawing two marbles (without replacement) from a bag containing three green, five yellow, and four red marbles such that both marbles are yellow.

(Multiple Choice)

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Question 46

For the probability density function $f ( x ) = \frac { x } { 128 }$ on the interval $[ 0,16 ]$ , find the probability that $x \geq 6$ . Round your answer to the nearest hundredth.

(Multiple Choice)

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Question 47

Find the coefficient a of the term in the expansion of the binomial. Binomial $$ Term $( 3 x + 2 y ) ^ { 7 }$ $~~~~a x ^ { 3 } y ^ { 4 }$

(Multiple Choice)

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Question 48

Thirteen students, of whom three are seniors, are selected as semifinalists for a literary award. Of the thirteen students, nine finalists will be selected. In how many ways can the nine finalists contain two seniors?

(Multiple Choice)

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Question 49

Evaluate: 7P3

(Multiple Choice)

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Question 50

Let $x$ be a random variable that is normally distributed with the given mean $\mu = 50$ and standard deviation $\sigma = 10$ . Find the probability $P ( 30 < x < 55 )$ using a symbolic integration utility.

(Multiple Choice)

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Question 51

Evaluate the expression. ${ } _ { 5 } C _ { 4 }$

(Multiple Choice)

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Question 52

Find the number of distinguishable permutations of the group of letters. $E , S , T , I , M , A , T , E$

(Multiple Choice)

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Question 53

Find the standard deviation $\sigma$ for the following probability distribution. Round your answer to three decimal places. x 1 2 3 4 5 P(x)

(Multiple Choice)

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Question 54

Find the constant k such that the function $f ( x ) = k x$ is a probability density function over the interval $[ 3,8 ]$ .

(Multiple Choice)

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Question 55

Use the Binomial Theorem to expand the complex number. Simplify your result. $( 4 - 3 i ) ^ { 4 }$

(Multiple Choice)

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Question 56

You are given the probability that an event will happen. Find the probability that the event will not happen. P(E) = 0.29

(Multiple Choice)

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Question 57

Eighteen students are selected as semifinalists for a literary award. Of the eighteen students, eight finalists will be selected. In how many ways can eight finalists be selected from the eighteen students?

(Multiple Choice)

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Question 58

Use the Binomial Theorem to expand and simplify the expression. $( s - 1 ) ^ { 5 }$

(Multiple Choice)

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Question 59

Sketch the graph of the following probability density function and locate the mean on the graph. $Sketch the graph of the following probability density function and locate the mean on the graph. f ( t ) = \frac { t } { 18 } , [ 0,6 ]$ $f ( t ) = \frac { t } { 18 } , [ 0,6 ]$ $Sketch the graph of the following probability density function and locate the mean on the graph. f ( t ) = \frac { t } { 18 } , [ 0,6 ]$

(Multiple Choice)

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Question 60

Showing 41 - 60 of 89

Find the probability for the experiment of drawing two marbles (without replacement) from a bag containing three green, six yellow, and four red marbles such that the marbles are different colors.

Sketch the graph of the following probability density function and locate the mean on the graph. $f ( x ) = \frac { 5 } { 2 } x ^ { 3 / 2 } , [ 0,1 ]$

Two people are asked their opinions on a political issue. They can answer "Opposed" (O) or "Undecided" (U). Find the sample space S.

Assume that the probability of the birth of a child of a particular gender is 50%. In a family with seven children, what is the probability that there is at least one girl?

Find the probability for the experiment of drawing two marbles (without replacement) from a bag containing three green, five yellow, and four red marbles such that both marbles are yellow.

For the probability density function $f ( x ) = \frac { x } { 128 }$ on the interval $[ 0,16 ]$ , find the probability that $x \geq 6$ . Round your answer to the nearest hundredth.

Find the coefficient a of the term in the expansion of the binomial. Binomial $$ Term $( 3 x + 2 y ) ^ { 7 }$ $~~~~a x ^ { 3 } y ^ { 4 }$

Thirteen students, of whom three are seniors, are selected as semifinalists for a literary award. Of the thirteen students, nine finalists will be selected. In how many ways can the nine finalists contain two seniors?

Evaluate: 7P3

Let $x$ be a random variable that is normally distributed with the given mean $\mu = 50$ and standard deviation $\sigma = 10$ . Find the probability $P ( 30 < x < 55 )$ using a symbolic integration utility.

Evaluate the expression. ${ } _ { 5 } C _ { 4 }$

Find the number of distinguishable permutations of the group of letters. $E , S , T , I , M , A , T , E$

Find the standard deviation $\sigma$ for the following probability distribution. Round your answer to three decimal places. x 1 2 3 4 5 P(x)

Find the constant k such that the function $f ( x ) = k x$ is a probability density function over the interval $[ 3,8 ]$ .

Use the Binomial Theorem to expand the complex number. Simplify your result. $( 4 - 3 i ) ^ { 4 }$

You are given the probability that an event will happen. Find the probability that the event will not happen. P(E) = 0.29

Eighteen students are selected as semifinalists for a literary award. Of the eighteen students, eight finalists will be selected. In how many ways can eight finalists be selected from the eighteen students?

Use the Binomial Theorem to expand and simplify the expression. $( s - 1 ) ^ { 5 }$

Fundamental Concepts of Algebra

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Polynomial and Rational Functions

Exponential and Logarithmic Functions

Systems of Equations and Inequalities

Matrices and Determinants

Limits and Derivatives

Applications of the Derivative

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Derivatives of Exponential and Logarithmic Functions

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Exam 17: Probability Web

Find the probability for the experiment of drawing two marbles (without replacement) from a bag containing three green, six yellow, and four red marbles such that the marbles are different colors.

Sketch the graph of the following probability density function and locate the mean on the graph. f(x)=52x3/2,[0,1]f ( x ) = \frac { 5 } { 2 } x ^ { 3 / 2 } , [ 0,1 ]f(x)=25​x3/2,[0,1]

Two people are asked their opinions on a political issue. They can answer "Opposed" (O) or "Undecided" (U). Find the sample space S.

Assume that the probability of the birth of a child of a particular gender is 50%. In a family with seven children, what is the probability that there is at least one girl?

Find the probability for the experiment of drawing two marbles (without replacement) from a bag containing three green, five yellow, and four red marbles such that both marbles are yellow.

For the probability density function f(x)=x128f ( x ) = \frac { x } { 128 }f(x)=128x​ on the interval [0,16][ 0,16 ][0,16] , find the probability that x≥6x \geq 6x≥6 . Round your answer to the nearest hundredth.

Find the coefficient a of the term in the expansion of the binomial. Binomial ~~~~~~ Term (3x+2y)7( 3 x + 2 y ) ^ { 7 }(3x+2y)7 ax3y4~~~~~~~~~~a x ^ { 3 } y ^ { 4 } ax3y4

Thirteen students, of whom three are seniors, are selected as semifinalists for a literary award. Of the thirteen students, nine finalists will be selected. In how many ways can the nine finalists contain two seniors?

Evaluate: 7P3

Let xxx be a random variable that is normally distributed with the given mean μ=50\mu = 50μ=50 and standard deviation σ=10\sigma = 10σ=10 . Find the probability P(30<x<55)P ( 30 < x < 55 )P(30<x<55) using a symbolic integration utility.

Evaluate the expression. 5C4{ } _ { 5 } C _ { 4 }5​C4​

Find the number of distinguishable permutations of the group of letters. E,S,T,I,M,A,T,EE , S , T , I , M , A , T , EE,S,T,I,M,A,T,E

Find the standard deviation σ\sigmaσ for the following probability distribution. Round your answer to three decimal places. x 1 2 3 4 5 P(x)

Find the constant k such that the function f(x)=kxf ( x ) = k xf(x)=kx is a probability density function over the interval [3,8][ 3,8 ][3,8] .

Use the Binomial Theorem to expand the complex number. Simplify your result. (4−3i)4( 4 - 3 i ) ^ { 4 }(4−3i)4

You are given the probability that an event will happen. Find the probability that the event will not happen. P(E) = 0.29

Eighteen students are selected as semifinalists for a literary award. Of the eighteen students, eight finalists will be selected. In how many ways can eight finalists be selected from the eighteen students?

Use the Binomial Theorem to expand and simplify the expression. (s−1)5( s - 1 ) ^ { 5 }(s−1)5

Sketch the graph of the following probability density function and locate the mean on the graph. f(t)=t18,[0,6]f ( t ) = \frac { t } { 18 } , [ 0,6 ]f(t)=18t​,[0,6]

Fundamental Concepts of Algebra

Equations and Inequalities

Functions and Graphs

Polynomial and Rational Functions

Exponential and Logarithmic Functions

Systems of Equations and Inequalities

Matrices and Determinants

Limits and Derivatives

Applications of the Derivative

Further Applications of the Derivative

Derivatives of Exponential and Logarithmic Functions

Integration and Its Applications

Techniques of Integration

Functions of Several Variables

Trigonometric Functions Web

Series and Taylor Polynomials Web

Filters

Sketch the graph of the following probability density function and locate the mean on the graph. $f ( x ) = \frac { 5 } { 2 } x ^ { 3 / 2 } , [ 0,1 ]$

For the probability density function $f ( x ) = \frac { x } { 128 }$ on the interval $[ 0,16 ]$ , find the probability that $x \geq 6$ . Round your answer to the nearest hundredth.

Find the coefficient a of the term in the expansion of the binomial. Binomial $$ Term $( 3 x + 2 y ) ^ { 7 }$ $~~~~a x ^ { 3 } y ^ { 4 }$

Let $x$ be a random variable that is normally distributed with the given mean $\mu = 50$ and standard deviation $\sigma = 10$ . Find the probability $P ( 30 < x < 55 )$ using a symbolic integration utility.

Evaluate the expression. ${ } _ { 5 } C _ { 4 }$

Find the number of distinguishable permutations of the group of letters. $E , S , T , I , M , A , T , E$

Find the standard deviation $\sigma$ for the following probability distribution. Round your answer to three decimal places. x 1 2 3 4 5 P(x)

Find the constant k such that the function $f ( x ) = k x$ is a probability density function over the interval $[ 3,8 ]$ .

Use the Binomial Theorem to expand the complex number. Simplify your result. $( 4 - 3 i ) ^ { 4 }$

Use the Binomial Theorem to expand and simplify the expression. $( s - 1 ) ^ { 5 }$