A Mayoral Election Race Is Tightly Contested

question 87

Essay

A mayoral election race is tightly contested. In a random sample of 1500 likely voters, 780 said that they were planning to vote for the current mayor. Based on this sample, would you claim that the mayor will win a majority of the votes? Explain.

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Definitions:

Highest 7%

Refers to the top seven percent of a distribution or set of data points, often used in statistical analysis to identify outliers or exceptional cases.

-0.55 < Z < 0.55

Represents a range on the Z-score scale, which indicates values that are within this interval on a standard normal distribution.

-0.73 < Z < 2.27

A statistical range between Z-scores indicating that data points fall within this interval on a standard normal distribution.

0.7 < Z < 1.98

Specifies a range within the standard normal distribution, indicating values between Z = 0.7 and Z = 1.98.