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Chapter 5: Q.5.32 (page 348)
Use the following information to answer the next eight exercises. A distribution is given as .
Find .
The value of thewill be.
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In a small city, the number of automobile accidents occur with a Poisson distribution at an average of three per week.
a. Calculate the probability that there are at most accidents occur in any given week.
b. What is the probability that there is at least two weeks between any accidents?
Consider the following experiment. You are one of 100 people enlisted to take part in a study to determine the percent of nurses in America with an R.N. (registered nurse) degree. You ask nurses if they have an R.N. degree. The nurses answer 鈥測es鈥� or 鈥渘o.鈥� You then calculate the percentage of nurses with an R.N. degree. You give that percentage to your supervisor. a. What part of the experiment will yield discrete data? b. What part of the experiment will yield continuous data
for a continuous probability function is , and the function is restricted to . What is ?
,a continuous probability function, is equal to and the function is restricted to . What is ?
The cost of all maintenance for a car during its first year is approximately exponentially distributed with a mean of .
a. Define the random variable.
b.
c.
d.
e. Draw a graph of the probability distribution. Label the axes.
f. Find the probability that a car required over for maintenance during its first year.
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