Chapter 5: Q.5.5 (page 346)
What does the shaded area represent? P(___< x < ___)
Short Answer
The probability of the shaded region is.
Chapter 5: Q.5.5 (page 346)
What does the shaded area represent? P(___< x < ___)
The probability of the shaded region is.
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The Sky Train from the terminal to the rentalโcar and longโterm parking center is supposed to arrive every eight minutes. The waiting times for the train are known to follow a uniform distribution.
79. What is the average waiting time (in minutes)?
a. zero
b. two
c. three
d. four
Suppose that the longevity of a light bulb is exponential with a mean lifetime of eight years. If a bulb has already lasted 12 years, find the probability that it will last a total of over 19 years.
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.
The interval of values for x is ______.
The data that follow are the square footage (in 1,000 feet squared) of 28 homes.
The sample mean = 2.50 and the sample standard deviation = 0.8302. The distribution can be written as .
What is ?
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.
Find the probability that a randomly chosen car in the lot was less than four years old;
a. Sketch the graph, and shade the area of interest.
b. Find the probability.
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