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A poll was conducted by the marketing department of a video game company to determine the...

A poll was conducted by the marketing department of a video game company to determine the popularity of a new game that was targeted to be launched in three months. Telephone interviews with 1,500 young adults were conducted which revealed that 49% said they would purchase the new game. The margin of error was ±3 percentage points. Which of the following is true? (one or more answers)

A.

A sample size of 752 is needed to obtain a 90% confidence interval estimate of the percentage of the targeted young adults who will purchase the new game by allowing the same level of margin of error.
B.

The sampling error is 3%
C.

You are 99% confidence that the percentage of the targeted young adults who will purchase the new game is somewhere between 46% and 52%.
D.

The report contains all the essential components for an ethical reporting of poll results.
math   Statistics-And-Probability   
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Answer #1

Here, pcap= 0.49 , margin of error = 0.03

CI = pcap +/- ME
= 0.49 +/- 0.03
= ( 0.46 , 0.52)
You are 99% confidence that the percentage of the targeted young adults who will purchase the new game is somewhere between 46% and 52%

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