Use a t-distribution to answer this question. Assume the samples are random samples from distributions that are reasonably norma
1 answer:
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Solution:
Matte Satin Glossy Total
Homeowners 0.08 0.20 0.24 0.52
Contractors 0.04 0.26 0.18 0.48
Total 0.12 0.46 0.42 1
Approximately what percentage of contractors prefer the glossy finish?
Answer: Percentage of contractors who prefer the glossy finish is:
or
Therefore, the option D. 37.5% is correct
The two values of x are
1.65 , -3.65
