Answer:
D
Explanation:
The cost of goods sold would increase by $2
Answer:
a. 15
b. Since is a left tailed test the p value would be:
p_v =P(Z<-3.263)= 0.000551
Explanation:
a. 25% of 60 businesses surveyed=
25/100 x 60= 15
b. See attached image for solution
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