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 1 of 2 (a) A randomly selected teacher earns between S36,000 and $51,000 a year. P(36,00044,000) = |

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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 1 of 2
(a) A randomly selected teacher earms between S36,000 and $51,000 a year.
P(36,000 <X<51,000) = 0.6971
Part: 1/2
Part 2 of 2
(b) A randomly selected teacher earns more than $44,000 a year.
P(X>44,000) =
Transcribed Image Text: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 1 of 2 (a) A randomly selected teacher earms between S36,000 and $51,000 a year. P(36,000 <X<51,000) = 0.6971 Part: 1/2 Part 2 of 2 (b) A randomly selected teacher earns more than $44,000 a year. P(X>44,000) =
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