Question

Question 6 (1 point)

Not all Walmart stores carry the same merchandise. In fact, in an audit of 1797 random stores, only 467 carried snowsuits seasonally. What is the 90% confidence interval estimate for the total number of Walmart stores that carry snowsuits?

Question 6 options:

1)	( 0.24953 , 0.27022 )

2)	( 0.24662 , 0.27314 )

3)	( 0.24286 , 0.27689 )

4)	( -0.24286 , 0.27689 )

5)	( 0.72311 , 0.75714 )

Answer 1

Given that, n = 1797 and x = 467

=> sample proportion = 467/1797 = 0.25988

A 90% confidence level has significance level of 0.10 and critical value is,

The 90% confidence interval estimate for the total number of Walmart stores that carry snowsuits is,

Answer : 3) (0.24286, 0.27689)