A census collected data on everyone that lived in a certain small town. The random variable X is the number of girls born to a randomly selected couple in that townwho has four children. Its probability distribution is shown below. Complete parts a through c.X3400P(X=x) 0.085710.244720.32080.24150.1073urcesa. Find and interpret the mean of the random variable.ons= 2.0400 (Round to four decimal places as needed.)zion Tools >Interpret the mean. Select the correct choice below and fill in the answer box to complete your choice.(Round to four decimal places as needed.)OA. The mean number of girls in a family isB.The mean number of girls in a family with four children is 2.0400.OC. The mean number of children in a family with four girls isb. Obtain the standard deviation of the random variable.6=(Round to four decimal places as needed.)Check answerHelp me solve thisF1080F3esc@View an exampleF4$%5Get more help -ABMacBook AirF6&7F7*8DIIFBClear all9F9-0)F11

The provided information is x P(X=x)=P(x) x*P(x) x2*P(x) 0 0.0857 0 0 1 0.2447 0.2447 0.2447…

Answered: A census collected data on everyone…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A census collected data on everyone that lived in a certain small town. The random variable X is the number of girls born to a randomly selected couple in that town who has four children. Its probability distribution is shown below. Complete parts a through c. X 4 O 0 P(X=x) 0.0857 2 0.3208 3 0.2415 0.2447 0.1073 i ne mean number of children in a family with four girls iS b. Obtain the standard deviation of the random variable. 0= 1.1209 (Round to four decimal places as needed.) c. Construct a probability histogram for the random variable; locate the mean; and show one-, two-, and three-standard-deviation intervals. Choose the correct histogram below. B. O C. D. Number of Girls Number of Girls Number of Girls Number of Girls 0.5- 0.5- 0.4- 0.3- 0.4- 0.5- 0.4- 0.3- 0.2- 0.1- 0.3- 0.2- 0.2- n 0.1- 0.1- 0 0012 0 1 2 3 4 01234 01234 01234 The mean is 2.0400. (Type an integer or decimal rounded to four decimal places as needed.) The one-standard-deviation interval is.. the…
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ols A census collected data on everyone that lived in a certain small town. The random variable X is the number of girls born to a randomly selected couple in that town who has four children. Its probability distribution is shown below. Complete parts a through c. 0 0 1 0.2447 2 0.3208 3 0.2415 4 0.1073 P(X=x) 0.0857 ... a. Find and interpret the mean of the random variable. =(Round to four decimal places as needed.) View an example Help me solve this Get more help. F5 A MacBook Air F6 F7 DII Clear all FB F9 I Check answer F10 F11
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