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Suppose that during periods of meditation the reduction of a person's oxygen consumption is a random variable having a normal distribution with μ = 37.6 cc per minute and σ = 4.6 cc per minute. Find the probabilities that during a period of meditation a person's oxygen consumption will be reduced by
(a) at least 44.5 cc per minute;
(b) at most 35.0 cc per minute;
(c) anywhere from 30.0 to 40.0 cc per minute.
specimens of blood from 10 different animals were analyzed for blood count say y in units of 100 and packed cell volume
Is there evidence that a clear majority of the population will vote for the Democratic candidate? To answer this, they will test the hypotheses H0: p = 0.50 versus Ha: p > 0.50. If n = 1200 and X = 640, what is the P-value for this hypothesis test..
a corporation creates a sinking fund in order to have 980000 to replace some machinery in 9 years. how much should be
The Bureau of Labor Statistics reported that the average annual income of dentists in the year 2005 was $110,000. A sample of 81 dentists, which was taken in 2006,
There is a 60 percent chance that the event A will occur. If A does not occur, there is a 10 percent chance that B will occur. What is the probability that at least one of the events A or B occur?
1.to assess the accuracy of a kitchen scale a standard weight known to weigh 1 gram is weighed a total of n times and
A sample of 20 is taken, resulting in a mean of 16.45 and standard deviation of 3.59. Assume that x is normally distributed and used alpha of 0.5 to test hypotheses.
A multiple choice test with 50 questions is given. Each question has four choices. What is the student's probability of passing if passing is at least 60% correct?
Consider a binary hypothesis in which there is a cost associated with each type of decision. In addition to the cost C'10 for a false alarm and C'01 for a miss, we also have the costs C'00 for correctly guessing hypothesis H0 and the C'11 for correct..
A sample of 200 ROM computer chips was selected on each of 30 consecutive days, and the number of nonconforming chips on each day was as follows:
HR Consulting surveyed a random sample of 74 Twin Cities construction companies to find information on the costs of their health care plans. One of the items being tracked is the annual deductible that employees must pay.
What is the probability that a respondent said neither the Big Ten nor the Pac-10 would have a team in the Rose Bowl?
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