A swimming pool is the shape of a right rectangular prism measures 24 feet by 16 feet and is 4.5 feet deep across the entire poo
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Answer:
Step-by-step explanation:
Given that population average is 0.8 ampere
Sample size = 9
Sample mean x bar = 1.34 A
Sample std dev s = 0.48
(one tailed test)
Mean difference -
Std error =
t test can be used since sigma is not known and sample size small
t statistic = mean diff/std error = 3.5
df = 8
p value = 0.00404