Answer:
Option a) [5.567, 5.633]
Explanation:
We are given the following in the question:
Sample mean,
= 5.6 feet
Sample size, n = 27
Alpha, α = 0.10
Sample standard deviation, s = 0 .1 feet
90% Confidence interval:
Putting the values, we get,
Option a) [5.567, 5.633]