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The hourly wage for workers in a fast food restaurant is Normally distributed with a mean...

The hourly wage for workers in a fast food restaurant is Normally distributed with a mean of $5.85 and a standard deviation of $0.35. If a worker is selected at random, find the probability that:

a. (S)he earns less than $5.50 an hour

b. (S)he earns between $5.90 and $6.40 an hour

c. (S)he earns at least $6.00 an hour

Math   Statistics-And-Probability   
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