A Random Sample of 25 Observations Was Taken from a Normally

question 84

Essay

A random sample of 25 observations was taken from a normally distributed population. The average in the sample was 84.6 with a variance of 400.
a.Construct a 90% confidence interval for $\mu$ .
b.Construct a 99% confidence interval for $\mu$ .
c.Discuss why the 90% and 99% confidence intervals are different.
d.What would you expect to happen to the confidence interval in part a if the sample size was increased? Be sure to explain your answer.

Understand the technology and advantages of solid-state drives (SSDs) over mechanical hard drives.

Grasp the significance of RAM and cache memory in system performance.

Learn about the machine cycle and the role of cache memory in CPU performance.

Understand how different storage devices and memory types impact computing performance.

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