In a local council election, 36% of voters voted for party A. The organisers of an exit poll surveyed 100 voters and announced that fewer than 30% of the votes went to party A. Using the normal approximation to the sample proportion, estimate the probability that in a random sample of 100 voters fewer than 30% voted for party A.
In a local council election, 36% of voters voted for party A. The organisers of an exit poll surveyed 100 voters and announced that fewer than 30% of the votes went to party A. Using the normal approximation to the sample proportion, estimate the probability that in a random sample of 100 voters fewer than 30% voted for party A.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 7CR
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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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![In a local council election, 36% of voters voted for party A. The organisers of
an exit poll surveyed 100 voters and announced that fewer than 30% of the
votes went to party A. Using the normal approximation to the sample proportion,
estimate the probability that in a random sample of 100 voters fewer than 30%
voted for party A.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4eaa6332-2565-4bfc-8112-7b32cd1996ad%2F3587aae2-f37e-4352-b801-8c202502a65c%2Fbae5i3_processed.png&w=3840&q=75)
Transcribed Image Text:In a local council election, 36% of voters voted for party A. The organisers of
an exit poll surveyed 100 voters and announced that fewer than 30% of the
votes went to party A. Using the normal approximation to the sample proportion,
estimate the probability that in a random sample of 100 voters fewer than 30%
voted for party A.
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