Determine probability of selecting
A box of candy contains six chocolate-covered cherries, 4 peppermints, 3 caramels, and 3 strawberry creams. Determine probability of selecting 2 of each candy. Give your answer as a fraction or as a number rounded to three decimal places.
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Suppose that quarters have weights that are normally distributed with mean of 5.67 g and standard deviation fof 0.0700 g. If a vending machine is adjusted so that 15% of legal quarters are rejected due to their weights are too low, determine the m
A private school wanted to make certain it isn't overpaying their substitute teachers. Determine the maximum amount they should use for their mean daily salary for substitute teachers?
A bank's loan officer rates applicants for the credit. The ratings are normally distributed with mean of 200 and standard deviation of 50. If applicant is randomly chosen, determine the probability of a rating that is below 250 and above 300.
A recent study of 200 people in Miami found 54 were obese. Determine the 95% confidence interval of the true proportion of individuals living in Miami who are obese?
A person is chosen at random. Determine the probability that given that person is married, he or she is stock clerk. Provide your answer as a fraction or as number rounded to three decimal places. Find out the probability that the person is not ma
Probability of at most 3 flaws in the randomly selected yard of cloth is? Standard deviation of number of flaws is the randomly selected yard of cloth is?
Test these hypotheses using alfa=0.05. What are your conclusions? Determine the P value for this test. Develop a 95 percent confidence interval on the mean shaft diameter.
Assume that 971 individuals with gene participate in the lifetime study. Find standard deviation of number of people who ultimately contract disease?
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