Which side lengths form a right triangle?Choose all answers that apply: (Choice A) 2 , 1 5 , 1 7 Choice B) 1 , 8 , square root o
1 answer:
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Answer:
(22.12, 27.48)
Step-by-step explanation:
Given : Significance level :
Sample size : n= 8 , which is a small sample (n<30), so we use t-test.
Critical values using t-distribution:
Sample mean :
Standard deviation :
The confidence interval for population means is given by :-
i.e.
Hence, the 95% confidence interval, assuming the times are normally distributed.= (22.12, 27.48)