Use the sample data and confidence level given below to complete the question.
a research inst...
Mathematics, 27.10.2019 19:43 Animlolie
Use the sample data and confidence level given below to complete the question.
a research institute poll asked respondents if they felt vulnerable to identity theft. in the poll, n=924 and x=511 who said "yes." use a 95% confidence level.
identify the value of the margin of error e.
(we do have a table of z scores.)
Answers: 3
Mathematics, 21.06.2019 21:30
If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2
Answers: 2
Mathematics, 22.06.2019 00:30
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
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