In the 1992 presidential election, Alaska's 40 election districts averaged 2125 votes per district for President Clinton. The standard deviation was 564. (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 to two decimal places. a. What is the distribution of X? X - N( b. Is 2125 a population mean or a sample mean? ( Select an answer c. Find the probability that a randomly selected district had fewer than 1995 votes for President Clinton.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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In the 1992 presidential election, Alaska's 40 election districts averaged 2125 votes per
district for President Clinton. The standard deviation was 564. (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 to two decimal places.
a. What is the distribution of X? X - N(
b. Is 2125 a population mean or a sample mean? | Select an answer
c. Find the probability that a randomly selected district had fewer than 1995 votes for
President Clinton.
d. Find the probability that a randomly selected district had between 2187 and 2311 votes
for President Clinton.
e. Find the third quartile for votes for President Clinton.
Helpful videos: P(x < a number) E, P(x > a number) 2, P(x is between two numbers) 2,
Finding a percentile 2, Using the invNormal with greater than problems 2, Finding the
IQR
Hint 7
Textbook Pages
Submit Question
Transcribed Image Text:In the 1992 presidential election, Alaska's 40 election districts averaged 2125 votes per district for President Clinton. The standard deviation was 564. (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 to two decimal places. a. What is the distribution of X? X - N( b. Is 2125 a population mean or a sample mean? | Select an answer c. Find the probability that a randomly selected district had fewer than 1995 votes for President Clinton. d. Find the probability that a randomly selected district had between 2187 and 2311 votes for President Clinton. e. Find the third quartile for votes for President Clinton. Helpful videos: P(x < a number) E, P(x > a number) 2, P(x is between two numbers) 2, Finding a percentile 2, Using the invNormal with greater than problems 2, Finding the IQR Hint 7 Textbook Pages Submit Question
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