A machine is used to cut a metal automobile part to its desired length. The machine can be set so that the mean length of the part will be any value that is desired. The standard deviation of the lengths always runs at .02 inch. Where should the mean be set if we want only .4 percent of the parts cut by the machine to be shorter than 15 inches long?
Answer to relevant QuestionsA motel accepts 325 reservations for 300 rooms on July 1, expecting 10 percent no- shows on average from past records. Use the normal approximation to the binomial to find the probability that all guests who arrive on July 1 ...Suppose the waiting time to get food after placing an order at a fast- food restaurant is exponentially distributed with a mean of 60 seconds. If a randomly selected customer orders food at the restaurant, what is the ...Explain: a. Three types of surveys and discuss their advantages and disadvantages. b. Three types of survey questions and discuss their advantages and disadvantages. A computer supply house receives a large shipment of flash drives each week. Past experience has shown that the number of flaws (bad sectors) per flash drive is either 0, 1, 2, or 3 with probabilities .65, .2, .1, and .05, ...Compare the probability distribution of the four individual grand prizes with the probability distribution of the six sample mean grand prizes. Would you select one or two envelopes? Why?
Post your question