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If a researcher wants to conduct a study about how much consumers in a target market segment will spend this year on detergent, and if this study was conducted last year with a standard deviation of $35.13, and if the researcher wants to be 95 percent confident of the results with an error of plus or minus $2.15, the appropriate sample size for this study would be approximately
show that s2subp is an unbiased estimator of sigma2 and find its variance under the condition of following theorem. if
bentley foods inc. a large manufacturer of frozen foods has developed a new line of frozen pizza. management has agreed
compute the probability of being dealt at random and without replacement a 13-card bridge hand consisting of 13 cards
The quality-control manager at a light bulb factory needs to determine whether the mean life of a large shipment of light bulbs is equal to 375 hours. The population standard deviation is 100 hours.
Prepare a report for the customer that presents the expected value in points of each throw of the darts, and then present a graphic representation.
assess the use of qualitative data to support business decision making. consider different tyoes of qualitative data
What is the probability that it will crash at least two times in a given semester? What is the probability that it will not crash at all in a given semester?
in may of 2002 the gallup organization asked a random sample of 537 american adults this questionif you could choose
an insecticide company exposes 10000 cockroaches to its newest product and exposes another 10000 to their previous
Serum ferritin is used in diagnosing iron deficiency. In a study conducted recently researchers discovered that in a sample of 28 elderly men the sample standard deviation of serum ferritin was 52.6 mg/L. For 26 younger men the sample standard dev..
according to police sources a car with a certain protection system will be recovered 88 of the time. find the
If 300 stolen cars are randomly selected, what is the mean and standard deviation of the number of cars recovered after being stolen?
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