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Much research has been conducted by experts regarding the size of elephant trunks. Researchers gathered a...

Much research has been conducted by experts regarding the size of elephant trunks. Researchers gathered a small sample of five elephants and recorded that the standard deviation of the sample trunk lengths is 2.314 feet.

(a) Construct a 94 percent confidence interval for the variance of trunk lengths.

(b) Find a 99 percent confidence upper bound for the standard deviation.

PLEASE DONT USE EXCELL OR ANY SPECIAL TOOLS. NEED HAND WRITTEN WORK PLEASE.

Math   Statistics-And-Probability   
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