Mathematics, 13.07.2020 16:01, ramjand7853

In interval estimation, the t distribution is applicable only when a. the population has a mean of less than 30.

b. the sample standard deviation is used to estimate the population standard deviation.

c. the variance of the population is known.

d. the mean of the population is unknown.

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In interval estimation, the t distribution is applicable only when a. the population has a mean of...