I just need the answers to my last homework for most of the questions that I am struggling with. Photos of the homework assignments are below.

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Answered Same DayApr 28, 2021

Answer To: I just need the answers to my last homework for most of the questions that I am struggling with....

Suraj answered on Apr 28 2021
146 Votes
The area to the right of the standard normal curve is calculated as follows:
The z score is -0.46.

Thus, area is 0.6772
Q 5.2.3
Let X be a random variable with mean 50 and standard deviation 7.
The probability is calculated as follows:
Thus, the probability is 0.9889.
Q 5.2.5
Let X be a random variable with mean 85 and standard deviation 5.
The probability is calculated as follows:
Thus, probability is 0.3364.
Q 5.2.11-T
The monthly utility bill is normally distributed with mean 100 and standard deviation 14.
The indicated probability is calculated as follows:
The...
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