Multiple choices 7/50 (Choose 1 answer)
A. 0.7823
B. None of the other choices is correct
C. 0.1003
D. 0.2177
Ε. 0.2823
The weekly salaries of teachers in one state are normally distributed with a mean of $490 and a standard deviation of $45. What is the probability that a randomly selected teacher earns more than $525 a week?Let P(Z < 0.78) = 0.7823, P(Z-1.28) = 0.1003.
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