In the 1992 presidential election, Alaska's 40 election districts averaged 1936 votes per district forPresident Clinton. The standard deviation was 570. (There are only 40 election districts in Alaska.) Thedistribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes forPresident Clinton for an election district. (Source: The World Almanac and Book of Facts) Round all answersexcept part e. to 4 decimal places.a. What is the distribution of X? X N(b. Is 1936 a population mean or a sample mean? | Select an answervc. Find the probability that a randomly selected district had fewer than 1974 votes for President Clinton.d. Find the probability that a randomly selected district had between 1876 and 2139 votes for PresidentClinton.e. Find the first quartile for votes for President Clinton. Round your answer to the nearest whole number.

According to our guidelines we are solving only first three sub-parts of a question and the rest…

What is the distribution of X? X N( Is 1936 a population mean or a sample mean? Select an answerv Find the probability that a randomly selected district had fewer than 1974 votes for President Clinton.

What is the distribution of X? X N( Is 1936 a population mean or a sample mean? Select an answerv Find the probability that a randomly selected district had fewer than 1974 votes for President Clinton.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

In the 1992 presidential election, Alaska's 40 election districts averaged 1936 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? X N(
b. Is 1936 a population mean or a sample mean? | Select an answerv
c. Find the probability that a randomly selected district had fewer than 1974 votes for President Clinton.
d. Find the probability that a randomly selected district had between 1876 and 2139 votes for President
Clinton.
e. Find the first quartile for votes for President Clinton. Round your answer to the nearest whole number.

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