Chapter 5: Q.56 (page 351)
Use the following information to answer the next seven exercises. A distribution is given as . What is m?
The answer of m is 0.75
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Use the following information to answer the next eight exercises. A distribution is given as .
Find .
A continuous probability function is restricted to the portion between x = 0 and 7. What is P(x = 10)?
Which type of distribution does the graph illustrate?
Births are approximately uniformly distributed between the 52 weeks of the year. They can be said to follow a uniform distribution from one to 53 (spread of 52 weeks).
a. X ~ _________
b. Graph the probability distribution.
c. f(x) = _________
d. ì = _________
e. ó = _________
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 40.
i. P(12 < x|x < 28) = _________
j. Find the 70th percentile.
k. Find the minimum for the upper quarter
Use the following information to answer the next three exercises.
The Sky Train from the terminal to the rental–car and long–term parking center is supposed to arrive every eight minutes. The waiting times for the train are known to follow a uniform distribution.
The probability of waiting more than seven minutes given a person has waited more than four minutes is?
a.
b.
c.
d.
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