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Chapter 5: Q. 3 (page 345)

Which type of distribution does the graph illustrate?

Short Answer

Expert verified

The given graph in the problem is the normal distribution because the graph is bell shaped.

Step by step solution

01

Given Information

Given in the question shows that a graph

02

Explanation

The presented graph in the problem is the normal distribution, because the graph is bell-shaped,

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Most popular questions from this chapter

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.

Suppose that on a certain stretch of highway, cars pass at an average rate of five cars per minute. Assume that the duration of time between successive cars follows the exponential distribution.

a. On average, how many seconds elapse between two successive cars?

b. After a car passes by, how long on average will it take for another seven cars to pass by?

c. Find the probability that after a car passes by, the next car will pass within the next 20 seconds.

d. Find the probability that after a car passes by, the next car will not pass for at least another 15 seconds.

Use the following information to answer the next eight exercises. A distribution is given as X~U(0,12).

What is the probability density function?

Carbon-14 is a radioactive element with a half-life of about

5,730 years. Carbon-14 is said to decay exponentially. The decay rate is 0.000121. We start with one gram of carbon-14.

We are interested in the time (years) it takes to decay carbon-14. What is the decay rate (m)?

For a continuous probability distribution, 0≤x≤15. What is P(x>15)?
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