Assume that the salaries of elementary school teachers in the united states are normally distributed with a mean of $32,000 and
2 answers:
Answer: 0.9525
Step-by-step explanation:
Given : The salaries of elementary school teachers in the united states are normally distributed with a mean of and a standard deviation of
.
Sample size : n= 100
Let x be a random variable that denotes the salaries of elementary school teachers in the united states.
Formula :
Then, the probability that their mean salary is less than $32,500 will be :-
Hence, the probability that their mean salary is less than $32,500 = 0.9525
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