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Annual starting salaries for college graduates with degrees in business adminstration are generally expected to be between $30,000 and $45,000 with a population standard deviation of $3750. Assume that a 95% confidence interval estimate of the population mean annual starting salary is desired. How large a sample should be taken if the desired margin of error is
a.) $200.00
b.) $100.00
Determine the probability that: a) Exactly 3 will have this mild side effect.
His sample size was 50,000. His method worked better than the Digest"s method. He predicted the correct winner, but was still off by 6 percentage points. How did he predict the Digest prediction so well?
If an overrun contract was bid at 12 million dollars, what does the least-squares line predict for the cost of overrun (as a percent of bid price)?
the proportion of americans who are satisfied with the way things are going in there lives is 0.76. suppose that a
What is the probability that the cereal would be high fiber? In other words, what is P (high fiber)?
A random sample of size 10 is selected from the N (20, 5) distribution. What is the probability that the variance of this sample exceeds 10?
interpret a scatter diagram.1. describe the relationship between the hours each student of a school spends in after
With a mean of $8.90 and a standard deviation of $5.70. She waites on 30 parties. What is the probability that she will earn at least $350?
The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of a fatal accident over a lifetime? Describe your re..
find the standard normal curve area that liesa. to the left of z0.27b. between z1.69 and
1.a manufacturer of infant formula is running an experiment using the standard control formula and two new formulas a
According to studies, 1% of all patients who undergo laser surgery to correct their vision have serious post laser vision problems. In a sample of 95,000 patients, what is the approximate probability that fewer than 960 will experience serious..
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