26 Score on last try: 0.75 of 1 pts. See Details for more. > Next question Get a similar question You can retry this question below 77% of all Americans live in cities with population greater than 100,000 people. If 31 Americans are randomly selected, find the probability that a. Exactly 24 of them live in cities with population greater than 100,000 people. |0. 16895 b. At most 24 of them live in cities with population greater than 100,000 people. 0.59147 c. At least 25 of them live in cities with population greater than 100,000 people. 0.40853 d. Between 20 and 25 (including 20 and 25) of them live in cities with population greater than 100,000 people. | 0.83589 X2? 1' Score on last try: 0.38 of1 pts. See Details for more. > Next question 5 Get a similar question You can retry this question below Births are approximately Uniformly distributed between the 52 weeks of the year. They can be said to follow a Uniform distribution from 1 to 53 {a spread of 52 weeks]. Round answers to 4 decimal places when possible. a. The mean of this distribution is I 2? J o" b. The standard deviation isl 15.0111 v' o" c. The probability that a person will be born at the exact moment that week 39 begins is Pix = 39] = [1.0192 R d. The probability that a person will be born between weeks 3 and 45 is 13(3 -f at s: 45] = laser? 1 o" e. The probability that a person will be born after week 315 is P[x > 35} =| 0.3269 Jl o" f. P[x> ? | x Next question Get a similar question You can retry this question below Private nonprofit four-year colleges charge, on average, $26,822 per year in tuition and fees. The standard deviation is $7,096. Assume the distribution is normal. Let X be the cost for a randomly selected college. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N( 26822 7096 b. Find the probability that a randomly selected Private nonprofit four-year college will cost less than 23, 439 per year. -0.48 X c. Find the 62nd percentile for this distribution. $ 29022 * (Round to the nearest dollar.)32