Mathematics, 24.01.2021 14:00 haileyw123
Medicare Hospital Insurance The average yearly Medicare Hospital Insurance benefit per person was $4064 in a recent year. Suppose the benefits are normally distributed with a standard deviation of $460. Assume that the sample is taken from a large population and the correction factor can be ignored. Use a TI-83 Plus/TI-84 Plus calculator. Round your answer to at least four decimal places.
Find the probability that the mean benefit for a random sample of 20 patients is more than $4100.
P (X > 4100) =?
Answers: 3
Mathematics, 21.06.2019 17:50, domiyisthom
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
Answers: 2
Mathematics, 22.06.2019 00:30, brittsterrr
When you flip a biased coin the probability of getting a tail is 0.6. how many times would you expect to get tails if you flip the coin 320 times?
Answers: 1
Medicare Hospital Insurance The average yearly Medicare Hospital Insurance benefit per person was $4...
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