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Chapter 6: Q. 44 (page 386)

What is the area to the right of one?

Short Answer

Expert verified

The area to the right of one represented asP(x>1)or1-P(x<1)

Step by step solution

01

Given information

Given in the question that, a graph

We have to find what is the area to the right of one

02

Explanation 

Consider the given graph:

The shaded area in the given graph shows the area to the right of x

The area is represented by the probability localid="1648295524318" P(x>x)

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Most popular questions from this chapter

If the area to the right of x in a normal distribution is 0.543, what is the area to the left ofx?

The golf scores for a school team were normally distributed with a mean of 68and a standard deviation of three.

Find the probability that a golfer scored between 66and70

How would you represent the area to the left of one in a probability statement?

In the 1992 presidential election, Alaska’s 40 election districts averaged 1,956.8 votes per district for President Clinton.

The standard deviation was 572.3. (There are only 40 election districts in Alaska.) The distribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes for President Clinton for an election district.

a. State the approximate distribution of X.

b. Is 1,956.8 a population mean or a sample mean? How do you know?

c. Find the probability that a randomly selected district had fewer than 1,600 votes for President Clinton. Sketch the graph and write the probability statement.

d. Find the probability that a randomly selected district had between 1,800 and 2,000 votes for President Clinton.

e. Find the third quartile for votes for President Clinton.

What is the z-score of x= –2, if it is 2.78 standard deviations to the right of the mean?
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