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A drug manufacturer claims that a certain drug cures a blooddiseaseon the average 80% of the time. To check the claim, government testers used the drug on a sample of 100 individuals& decidedto accept the claim if 75 or more are cured.
(a) What is the probability that the claim will be rejected when the cure probability is, in fact 0.8?
(b) What is the probability that the claim will be accepted by the government when the cure probability is as low as 0.7?
the random variable x has a poisson distribution with mean 40. give an approximate value of the probability p 37 less
Suppose a large sample is selected (instead of just 10). About 95 percent of the predictions regarding sales would occur between what two values? Determine the regression equation.
the annual commissions earned by sales representatives of machine products inc. a manufacturer of light machinery
1. if the correltation coefficient has associated probability value of .02 thenthe result is importantthe hypothesis
It is asserted that a greater proportion of males (= x 1 ) contribute to charity than females (= x 2 ). A survey of male and female contributors to charity showed that of 900 males surveyed
consider a random sample of size n from a poisson distribution xi poim.a find the crlb for the variances of
the mean score on a physical fitness test for division i student-athletes is 947 with a standard deviation of 205. if
suppose a point xy is chosen at random from the disk x2 y2 is less than and equal to 1. find the a marginal density of
Product while 43 out of 80 females preferred it. Compute the test statistic and use technology to find the corresponding p-value based on this test.
question an urn contains nine white balls and 11 black balls. a ball is drawn and replaced. if the ball is white your
What is the probability that there are less than 500 nails in a randomly selected five pound box of nails?
In the other group 40 out of 80 favored capital punishment. Calculate an appropriate test value to test the hypothesis that the population proportions are the same.
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