Medicare Hospital Insurance The Average Yearly Medicare Hospital Insurance Benefit Per Person Was 4064 In A Recent Year 1 (32.45 KiB) Viewed 73 times
Medicare Hospital Insurance The Average Yearly Medicare Hospital Insurance Benefit Per Person Was 4064 In A Recent Year 2 (28.13 KiB) Viewed 73 times
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. Round the final answers to at least four decimal places and intermediate :-value calculations to two decimal places. Part 1 of 2 Find the probability that the mean benefit for a random sample of 22 patients is less than $3920. P(X<3920) = Part 2 of 2 Find the probability that the mean benefit for a random sample of 22 patients is more than $4100. P(X> 4100) - do
Teachers' Salaries The average annual salary for all U.S. teachers is $47,750. Assume that the distribution is normal and the standard deviation is $5680. Find the probabilities. Use a TI-83 Plus/TI-84 Plus calculator and round the answer to at least four decimal places. Part: 0 / 2 Part 1 of 2 (a) A randomly selected teacher earns between $36,000 and $51,000 a year. P(36,000 ≤x≤51,000) =
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