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a random sample of 150 apples is collected and examined. the whole truckload of apples will be rejected if more than 5% of the sample is unsatisfactory. suppose that in fact 8% of the apples on the truck do not meet the standards.whats the probability that the shipment will be accepted anyway?
Your office has just received 140 insurance claims to be processed in the next few days. Find the following probabilities.
Fix-It Copiers advertises mean time of 100 minutes for office calls with standard deviation of 25 minutes. What percentages of calls are completed?
Assume the population standard deviations are not the same. At the .05 significance level, is there a difference in the mean waiting time?
A random sample of 60 days shows that the mean daily number of gallons sold is 10.00. What is the point estimate of the population mean?
Some defendants in criminal proceedings plead guilty and are sentenced without a trial, whereas others who plead innocent are subsequently found guilty and then are sentenced.
What are some of the words that form clues? How does one know what is a population parameter and a test statistic?
A researcher administers a treatment to a sample of n = 25 participants and uses a hypothesis test to evaluate the effect of the treatment.
Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.
At the 5 percent level of significance, can we conclude that the mean weight is greater than 16 ounces? Determine the p- value.
A recent study of 50 self-service gasoline stations in the Greater Cincinnati' Northern Kentucky metropolitan area revealed that the mean price of unleaded gas was $2.029 per gallon. The sample standard deviation was $0.03 per gallon.
Two servers with lambda 1 & lambda 2 service times exponentially distributed. Pat waits in a line to get served by any of the two servers. What is the waiting time of pat if no one is on the line?
If one of the Titanic passengers is randomly selected, find the probability of getting a woman or someone who didn't survive the sinking.
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