Confidence interval for proportion of housewifes
In a sample of 500 housewives, 40% said they watch water boil in pot. What is the 90% confidence interval for proportion of housewifes who watch water in a pot boil (pie) (2 places)
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The rectangle as the length of 10 and width of 8. Use 3 equations to determine area of circle and ellipse, circle has its own equation. Center point lies within center of the ellipse.
Assume that the average annual salary for the worker in the United States is $34,000 and that annual salaries for Americans are normally distributed with standard deviation equal to $6,250. Find out the following:
In $700 grew to $800 in the savings account after five years and interest was compounded semiannually, determine nominal rate of interest, compounded semiannually, which was earned. Using A=P(1+r/n)^nt.
The average amount of precipitation in Dallas, Texas, during the month of April is 3.5 inches (The World Almanac, 2000). Assume that a normal distribution applies and that the standard deviation is .8 inches.
Find the following probabilities for the standard normal random variable Z. We are suppose to use the Z table but I am confused on how it works, any suggestions?
You are in charge of reviewing IQs of military personnel and know that IQ scores are basically distributed with mean of 100 and standard deviation of 15. Housing has 200 occupants and you've determined that results of their IQ testing mimic the po
Determine the domain of T. Determine equation which gives adjust gross income G as the function of federal income tax T: [t+2800]/.25 =G
Why would survey be challeneged that states that male children born to women who smoke throughout pregnancy run risk of violent and criminal behavior which lasts in adulthood?
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