Question

In the 1992 presidential election, Alaska's 40 election
districts averaged 2057 votes per district for President Clinton.
The standard deviation was 588. (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 2057 a population mean or a sample mean? Select an answer
Sample Mean Population Mean

c. Find the probability that a randomly selected district had fewer
than 2099 votes for President Clinton.

d. Find the probability that a randomly selected district had
between 2076 and 2245 votes for President
Clinton.

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

Answer #1

a. What is the distribution of X?

X ~ N(2057,588^{2})

b. Is 2057 a population mean or a sample mean?

2057 is a population mean because it consists of all the
districts of the Alaska.

c. Find the probability that a randomly selected district had fewer
than 2099 votes for President Clinton.

d. Find the probability that a randomly selected district had
between 2076 and 2245 votes for President
Clinton.

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

x=588*0.6745+2057=2453.606

Please upvote if you like the solution. Thanks.

In the 1992 presidential election, Alaska's 40 election
districts averaged 2157 votes per district for President Clinton.
The standard deviation was 570. (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?...

Expand Previous Next Check 0/1 ptRetries 3Reattempts 99 In the
1992 presidential election, Alaska's 40 election districts averaged
2164 votes per district for President Clinton. The standard
deviation was 580. (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...

2.) When a car is randomly selected, the number of bumper
stickers and the corresponding probabilities are: 0 (0.814); 1
(0.083); 2 (0.044); 3 (0.019); 4 (0.012); 5 (0.008); 6 (0.008); 7
(0.004); 8 (0.004); 9 (0.004);
a.) Does the given information describe a probability distribution?
Explain why
b.) Assuming that a probability distribution is described, find
its mean and standard deviation.
c.) Use the range rule of thumb to identify the range values for
unusual numbers of bumper stickers....

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