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Chapter 5: Q.5.10 (page 346)
for a continuous probability function is , and the function is restricted to . What is ?
The value of theiszero.
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Use the following information to answer the next eleven exercises. The age of cars in the staff parking lot of a suburban college is uniformly distributed from six months (0.5 years) to 9.5 years
In words, define the random variable X.
Use the following information to answer the next eleven exercises. The age of cars in the staff parking lot of a suburban college is uniformly distributed from six months (0.5 years) to 9.5 years.
What is being measured here?
The age of a first grader on September 1 at Garden Elementary School is uniformly distributed from to years.
We randomly select one first grader from the class.
a. Define the random variable. = _________
b. _________
c. Graph the probability distribution.
d. = _________
e.= _________
f. = _________
g. Find the probability that she is over years old.
h. Find the probability that she is between four and six years old.
i. Find the percentile for the age of first graders on September 1 at Garden Elementary School.
Find the probability that falls in the shaded area.
On average, a pair of running shoes can last 18 months if used every day. The length of time running shoes last is exponentially distributed. What is the probability that a pair of running shoes last more than 15 months? On average, how long would six pairs of running shoes last if they are used one after the other? Eighty percent of running shoes last at most how long if used every day?
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