A recent study of teacher salaries in rural areas showed that the average salary was $30,000/year with a standard deviation of $3,000. A) If one teacher is chosen at random, find the probability that the teacher earns more than $34,000/year. Express answer in decimal. B) Using the same salary and standard deviation, find the probability that 15 teachers chosen at random will earn LESS than $32,00/year. Express answer in decimal. C) Using the same average salary and standard deviation, find the probability that 21 teachers chosen at random will earn less than $29,000/year. Express answer in decimal.

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A recent study of teacher salaries in rural areas showed that the average salary was $30,000/year with a standard deviation of $3,000. A) If one teacher is chosen at random, find the probability that the teacher earns more than $34,000/year. Express answer in decimal. B) Using the same salary and standard deviation, find the probability that 15 teachers chosen at random will earn LESS than $32,00/year. Express answer in decimal. C) Using the same average salary and standard deviation, find the probability that 21 teachers chosen at random will earn less than $29,000/year. Express answer in decimal.
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