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Assume that x = 18; = 4.4P has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Enter a number. Round your answer to four decimal places.)
(x ≥ 30) =
Suppose that you select a sample of 100 U.S. hospital patients. The probability is 90% that the sample percentage will be within what symmetrical limits of the population?
What is the name of the mostpopular us index that is the average of 30 selcted indusrial stocks
Assume you are working with the results of a research situation based on a matched sample design involving 25 participants
In the general population, one woman in ten will develop breast cancer. Research has shown that 1 woman in 600 carries a mutation of the BRCA gene. Seven out of 10 women with this mutation develop breast cancer.
researchers at a food company are interested in how a new spaghetti sauce made from green tomatoes and green in color
Returns on stock of small ?rms have been shown to be symmetrically distributed, but the distributions are believed to be "long-tailed"-not well approximated by the normal distribution. To test whether the average return on a stock of a small ?rm i..
Do the thinner cans appear to be strong enough so that they are not crushed when the top lids are pressed onto the sides?
How would you respond if someone told you that the correlation between education level and salary was 1.27?
Global survey. The marketing research organization GfK Custom Research North America conducts a yearly survey on consumer attitudes worldwide.
A manufacturing process makes items whose weights are normally distributed. It is known that 22.57% of all the items made weigh between 100 grams up to mean and 49.18% weigh from the mean up to 190 grams. Find out the standard deviation.
suppose four people two men and two women sit in a row on chairs marked from left to right 1 2 3 4. let x be the number
Find a 95% confidence interval estimate of the percentage of American adults who favored the legalization of marijuana at the time of the poll.
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