You don't need the names since there is 4367, and that would only be about 1/9th of the whole amount of members, so b is out of the question. you need average people to make it, so d is out of the question, and picking a random letter out of the alphabet is as arbitrary as a, but you are adding the effect of Inconsistency so I would say Let the gym management decide which members should be surveyed is the right answer
Answer:551.25
Step-by-step explanation:
500 x .05 =25+500= 525 which is the second concert. Multiply that by .05 which is 26.25, add that to 525 to get 551.25 which is not 650.
A=24 botton and 20x4 for the side.
B=120
Answer:
The 90% confidence interval for the support of Sanders by millenials is between 53% and 57%.

Step-by-step explanation:
In this question we have to calculate a confidence interval (90% CI) on the proportion of millenials that had a favorable opinion on Sanders.
The sample size is n=1,754.
The p-hat, taken from the poll, is

The estimated standard deviation is equal to:

For a 90% CI, the z-value is z=1.645.
Then, the confidence interval is
