A random sample of 10 bath soaps were tested for their average pH level. Find the 99% confidence intervals for the mean pH level of the entire bath soaps that the company has produced.  A.)7.4168 ≤ µ ≤ 7.9032 B.)7.6896 ≤ µ ≤ 7.9090 C.)7.1112 ≤ µ ≤ 7.534

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A random sample of 10 bath soaps were tested for their average pH level. Find the 99% confidence intervals for the mean pH level of the entire bath soaps that the company has produced. 

A.)7.4168 ≤ µ ≤ 7.9032

B.)7.6896 ≤ µ ≤ 7.9090

C.)7.1112 ≤ µ ≤ 7.534

pH levels of 10
randomly picked
bath soaps
7.6
7.3
7.5
7.4
7.8
7.5
7.9
7.9
8.0
7.7
Transcribed Image Text:pH levels of 10 randomly picked bath soaps 7.6 7.3 7.5 7.4 7.8 7.5 7.9 7.9 8.0 7.7
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