Answer: (11.95, 14.11)
Explanation:
Let x be a random variable that represent the number of years of education.
Given: Sample size : n= 26
Sample mean : 
Sample standard deviation : s = 3.22
Significance level : 
Degree of freedom: df = n-1 = 25
Critical t-value for
and df = 25 will be

90% confidence interval for mean:

A 90% confidence interval for the mean number of years of education = (11.95, 14.11)
Answer:
not exactly
Explanation:
we sometimes are the cause when we do not obey specific guidelines to building development mark me as brainliest
I think A is your answer, cause that's what pops out at me the most. Hope that helps XD
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Answer:
D
Explanation:
It was the golden age for African artisits, musicans, and writiers. It also set the stage for the civil rights movement so a b and c wouldn´t make sense as an answer