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. X 1 2 3 4 0 P(X=x) 0.0857 0.2447 0.3208 0.2415 0.1073 wwwww www. www.IV www.viv (Round to four decimal places as needed.) OA. The mean number of girls in a family is B. The mean number of girls in a family with four children is 2.0400. C. The mean number of children in a family with four girls is b. Obtain the standard deviation of the random variable. o=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. O D. O C. O A. OB. Number of Girls Number of Girls Number of Girls Number of Girls 0.5- 04- 0.5- 0.4- 05 04- 0.3 0.14 001234 001234 01234 01234 Help me solve this View an example Get more help. 0.5 0.4- 0.3+ 0.24 0.1- "A S 14 Clear all Check answer

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