What sample size is needed to estimate with 95 percent confidence the mean intake of daily calcium within 20 units of the true mean if the intake is normally distributed with a variance of 1900 units?
A) 34,671
B) 187
C) 32
D) 19

Name: What sample size is needed to estimate with 95 percent confidence the mean intake of daily calcium within 20 units of the true mean if the intake is normally distributed with a variance of 1900 units? A) 34,671 B) 187 C) 32 D) 19
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Question

Quizplus · Accepted Answer

n == 19

What Sample Size Is Needed to Estimate with 95 Percent