Answer:
m=-2
Step-by-step explanation:
I think it's either 8 (16/2=8) OR 32 (16x2=32)
The answer is 44. ! Your welcome
Answer: 0.17 ± 0.096
Step-by-step explanation:
Confidence interval for difference between the population proportion :

, where
= sample proportion for population 1.
= sample proportion for population 2.
= Sample size from population 1.
= Sample size from population 1.
As per given , we have
Population


Critical z-value for 99% confidence level is z*=2.576 [By z-table]
Now , the 99% confidence interval estimate for the difference between the percentages of men and women who prefer Coca Cola over Pepsi :
\
Hence, the correct answer is 0.17 ± 0.096.