Sound intensity of certain Vacuum Cleaner is a random variable having a normal distribution with a mean of 75 dB and a standard
deviation (population) of 3 db. Using p-value approach, test the null hypothesis µ = 75 against the alternative hypothesis µ ≠ 75.
1 answer:
Answer:
10 thousand times loud pls mark me as the brainliset hope it helps you
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