A sample size of 5 provides a sample mean of 9.6.If the population variance is known to be 5 and the population distribution is assumed to be normal,the lower limit for a 90% confidence interval is 7.96.

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Quizplus · Accepted Answer

Given the population variance, the normal distribution assumption, and the sample size, the calculation for the lower limit of a 90% confidence interval can indeed yield a result like 7.96, depending on the specific formula and values (such as the z-score for 90% confidence) used.

A Sample Size of 5 Provides a Sample Mean of 9.6.If