If 80% of the applicants are able to pass a driver's proficiency road test, how do you find the mean, variance, and standard deviation of the number of people who pass the test in a sample of 300 applicants?

Tarnayfu
2022-08-09
Answered

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What symbol is used for the standard deviation when it is a sample statistic? What symbol is used for the standard deviation when it is a population parameter?

Sample statistic: $\sigma $. Population parameter: s.

For both, s is used.

For both, $\sigma $ is used.

Sample statistic: s. Population parameter: $\sigma $.

Sample statistic: $\sigma $. Population parameter: s.

For both, s is used.

For both, $\sigma $ is used.

Sample statistic: s. Population parameter: $\sigma $.