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Why did people in other countries believe that the American Revolution or the Declaration of Independence was important to them?
The F-test cannot be used to answer whether or not there is a significant difference between the means.
A random sample of size 15 taken from a normally distributed population revealed a sample mean of 75 and a sample variance of 25. The upper limit of a 95% confidence interval for the population mean would equal?
question cellulon a manufacturer of a new type of home insulation wants to develop guidelines for builders and
A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to determine whether there is a difference between the effectiveness for women and for men. At = .05, what is the test v..
In employment discrimination cases, courts have held that a firm is guilty of discrimination when the percentage of blacks among its employees is lower than the percentage of blacks in the surrounding geographical region, provided the difference i..
an engineering department consists of15 electrical 15 chemical 15 industrial and 15 civil engineers. an
During the last hour, a telemarketer dialed 20 numbers and reached 4 busy signals, 3 answering machines, and 13 people. Use this information to determine the empirical probability that the next call will be answered in person.
1. A distribution of scores is normally distributedwith a mean??= 85and a standard deviation s=4. If one score is randomly sampled fromthe distribution, what is the probability that itwill be greater than 96, between 90 and 97 and less than 88?
Find the sample mean of the ages of the 54 members of the symphony.
a game charges 1 to play and pays 4 if a card drawn from the deck is a face card jack queen or king if not the player
In a Sgallop poll of 1012 randomly selected adults, 9% said cloning of humans should be allowed. Use a .05 significance level to the test claim that less than 10% of all adults said that cloning should be allowed.
Batteries. In a group of 10 batteries, 3 are dead. You choose 2 batteries at random.
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