In the 1992 presidential election, Alaska's 40 election districts averaged 1898 votes per district for President Clinton. The standard deviation was 599. (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. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places.a. What is the distribution of X? X ~ N(,)b. Is 1898 a population mean or a sample mean? Select an answer Population Mean Sample Mean c. Find the probability that a randomly selected district had fewer than 1904 votes for President Clinton. d. Find the probability that a randomly selected district had between 2006 and 2197 votes for President Clinton. e. Find the third quartile for votes for President Clinton. Round your answer to the nearest whole number.

Question
Asked Oct 18, 2019

In the 1992 presidential election, Alaska's 40 election districts averaged 1898 votes per district for President Clinton. The standard deviation was 599. (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. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places.

a. What is the distribution of X? X ~ N(,)

b. Is 1898 a population mean or a sample mean? Select an answer Population Mean Sample Mean 

c. Find the probability that a randomly selected district had fewer than 1904 votes for President Clinton. 

d. Find the probability that a randomly selected district had between 2006 and 2197 votes for President Clinton. 

e. Find the third quartile for votes for President Clinton. Round your answer to the nearest whole number. 

check_circleExpert Solution
Step 1

Given:

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Step 2

a.

The distribution of X for the normal distribution with population mean and standard deviation can be written as follows:

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Step 3

b.

1898 is a population mean because it includ...

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