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 these probabilities of the earnings of a teacher selected randomly. Round the final answers to at east four decimal places and intermediate z value calculations to two decimal places. Part: 0 / 2 Part 1 of 2 (a) Between $28,000 and $39,800 a year P (28,000 < X<39,800) = X S

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