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1) The population proportion is .30. What is the probability that a sample proportion will be within ±.04 of the population proportion for each of the following sample sizes?
a) n = 100
b) n = 200
c) n = 500
d) n = 1000
e) What is the advantage of a larger sample size?
q1. describing data frequency distribution and graphic presentationsyou are the parts manager for a local dumb phone
Given that the student selected is a social science major, what is the probability that she is also a sophomore? Write your responses as fractions.
Commonwealth Edison wants to identify its heaviest users, which are those that are in the top 6% of electric consumption. How many kilowatt hours in January would qualify for the heavy user classification?
In textile industry, a manufacturer is interested in the number of blemishes or flaws occurring in each 100 feet of material. Of the following probability distributions, the one that most applies to this situation is the.
The January 17, 1994 issue of Time magazine reported that 58% of adult Americans said yes to the question "If you or your spouse were pregnant, would you want the unborn child tested for genetic defects?"
Norm Dickins the town pharmacist is interested in obtaining a loan to expand his business. He will get a better interest rate if he can reasonably demonstrate that his near-term monthly revenues will be between $10,000 and $15,000.
A fair coin is flipped 3 times. Compute the odds of flipping 3 tails.
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Determine the special property of standard normal distribution, compared to other normal distributions?
A company that manufactures computer chips wants to use a multiple regression model to study the effect that different variables have on y, the total daily production cost
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