30. The contents of a bottle of lotion is claimed to be 100 milliliters with a standard deviation of 4 milliliters. A random sample of 144 bottles is selected and found that 99
milliliters on average are contained in the bottles.
Test the hypothesis assuming alpha = 0.025.
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Hint
Caution: You must write the null hypothesis and alternate hypothesis.
Z=(x-)/(g/n)
Find z value and corresponding p value from z table and compare that value with alpha
value and draw your conclusion.
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