Chapter 5, Problem 74H

For each probability and percentile problem, draw the picture 3

74. Births are approximately uniformly distributed between the 52 weeks of the year. They can be said o follow a uniform distribution from one to 53 (spread of 52 weeks).

b. Graph the probability distribution.

C. f(x)=

d. $\mu$ =

e. $\sigma$ =______

f. Find the probability that a person Is born at the exact moment week 19 starts. That Is, find P(x 19) = ________

g. P(2< x<31)= _______

h. Find the probability that a person Is born after week .10.

i. P(12x/x<28)= _______

j. Find the 70th percentile.

k. Find the minimum for the upper quarter: