On may 23, 2013, gallup reported that of the 1,005 people surveyed, 76% of u. s. workers believe that they will continue working past retirement age. the confidence level for this study was reported at 95% with a ±3% margin of error. (a) determine the estimated proportion from the sample.

 0.76

Step-by-step explanation:

We know that the sample proportion is the best estimate of the population proportion.                                                                                      (1)

Given : Gallup reported that of the 1,005 people surveyed, 76% of U.S. workers believe that they will continue working past retirement age.

Let p be the population proportion.

We have sample proportion:

Therefore, the estimated proportion of U.S. workers believe that they will continue working past retirement age from the sample =  

answer: b.

step-by-step explanation:

the y coordinate for point b is 0, and answer b is the only one with that y coordinate.

answer: $201

step-by-step explanation: to get the answer, you first get 3 nieces that he sold and multiply it by 67 and get $201, so he earned $201 selling his nieces.