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Answer:
55
Step-by-step explanation:
<span>46.8342 is 63% of 74.34</span>
Answer: 6.68%
Step-by-step explanation:
Given : The mean weekly income of electrical engineers in NJ is $1,200 with a standard deviation of $200.
i.e. and
Let x denotes the monthly income ( in dollars).
If normally distributed , then the probability of workers earn more than $1,500 :
Therefore , the percentages of workers earn more than $1,500 = 6.68%