im Variables obramood in it game Hand Number of r andren are What is the ideal number in 41677 ideal auntber of children for a random sample of 900 adult 0.3354 0.2852 0.1491 (number of children) Frequency 0.0373 0.0248 30 Source. Chicago Tribune 520 250 that this is a discrete probability distribution. 70 graph of the probability distribution. Describe the of the distribution. 17 ate and interpret the mean of the random variable X. 3 ate the standard deviation of the random variable X. Source: Based on data from a Gallup poll s the probability that in a randomly selected game got 2 hits? 23. Number of Births The graph of the discrete probability s the probability that in a randomly selected game distribution below represents the number of live births by a got more than I hit? mother 50-54 years old who had a live birth in 2013. Source: National Vital Statistics Report. ag in Line A Wendy's manager performed a study to a probability distribution for the number of people, Number of Live Births, in line during lunch. The results were as follows: 50- to 54-Year-Old Mother P(x) P(x) 0.4- 0.35 1.35 0 0.011 0.098 0.3 0.035 8 0262 0.063 0.25 2 0:089 19 0.035 0.2 0.150 10 0.019 F 0.13 0.124 0.090 0.186 11 0.004 0.1 0.047 0.054 0.172 12 0.006 0.018 0.020 0.016 6011 0.132 10 Child Number that this is a discrete probability distribution. a graph of the probability distribution. Describe the (a) What is the probability that a randomly selected 50- to of the distribution. 54-year-old mother who had a live birth in 2013 has had her ute and interpret the mean of the random variable X. fourth live birth? ute the standard deviation of the random variable X. (b) What is the probability that a randomly selected 50- to is the probability that eight people are waiting in line 54-year-old mother who had a live birth in 2013 has had her ch? fourth or fifth live birth? s the probability that 10 or more people are waiting in (c) What is the probability that a randomly selected 50- to lunch? Would this be unusual" 54-year-old mother who had a live birth in 2013 has had her sixth or more live birth