Answer:
a=15
Step-by-step explanation:

Hope it helps
Answer: All you have to do is divide 39 and 3 and you get 13. That is how many in a row.
Step-by-step explanation:
I hope that is right if not sorry.
Hey! I tried doing this, but there are no like terms??
Answer:
0.35 is the mean of the sampling distribution of the proportion.
Step-by-step explanation:
We are given the following in the question:
Percentage of voters who voted for recall = 35%

Sample size, n = 3150
We have to find the mean of the sampling distribution.
Formula for mean of sampling distribution:

Putting values, we get,

Thus, 0.35 is the mean of the sampling distribution of people sampled in an exit poll who voted for the recall.