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Chapter 5: Q.5.5 (page 346)

What does the shaded area represent? P(___< x < ___)

Short Answer

Expert verified

The probability of the shaded region isP(6<x<7).

Step by step solution

01

Given information

Given in the question that a graph

02

Solution

Here we are asked to find the probability of the shaded region

So, the shaded region represents the probability as

P(6<x<7)

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Most popular questions from this chapter

Use the following information to answer the next three exercises.

The Sky Train from the terminal to the rental鈥揷ar and long鈥搕erm 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

At a 911call center, calls come in at an average rate of one call every two minutes. Assume that the time that elapses from one call to the next has the exponential distribution.

a. On average, how much time occurs between five consecutive calls?

b. Find the probability that after a call is received, it takes more than three minutes for the next call to occur.

c. Ninety-percent of all calls occur within how many minutes of the previous call?

d. Suppose that two minutes have elapsed since the last call. Find the probability that the next call will occur within the next minute.

e. Find the probability that less than 20calls occur within an hour.

The number of days ahead travelers purchase their airline tickets can be modeled by an exponential distribution with the average amount of time equal to 15 days. Find the probability that a traveler will purchase a ticket fewer than ten days in advance. How many days do half of all travelers wait?

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 X~U(1.5,4.5).

What is P(x<3.5|x<4)?

What is the probability that a phone will fail within two years of the date of purchase?

a.0.8647

b. 0.4866

c. 0.2212

d. 0.9997
See all solutions

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