A Recent Survey Indicates That the Proportion of Season Ticket

question 61

Multiple Choice

A recent survey indicates that the proportion of season ticket holders for the school hockey team who renew their seats is about 0.80. Using a 95% confidence interval and a margin of error of 0.025, what is the approximate size of the sample needed to estimate the true proportion who plan to renew their seats?

• A) 689
• B) 697
• C) 984
• D) 1179

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Definitions:

Normal Distribution

A symmetric probability distribution characterized by a bell-shaped curve, where the mean, median, and mode of the distribution are equal.

Confidence Interval

An assortment of values, drawn out from sample statistical examination, which is likely to encase the value of an unascertained population parameter.

Margin Error

A measure indicating the extent to which the data collected in a poll or survey may differ from the actual values within the entire population, showcasing the uncertainty associated with sampling.

Confidence Interval

A confidence interval is a range of values, derived from sample data, that is likely to contain the value of an unknown population parameter with a certain level of confidence.