Wofford College Operations And Supply Chain Management Assignment Help - Analytics

Question - Question 2
According to a report by Scarborough Research, the average monthly household cellular phone bill is
$73. Suppose local monthly household cell phone bills are normally distributed with a standard
deviation of $11.35.

a. W hat is the probability that a randomly selected monthlycell phone bill is more than $100?
b. W hat is the probability that a randomly selected monthlycell phone bill is between $60 and $83?
c. What is the probability that a randomly selected monthly cell phone bill is between $80 and $90?
d. W hat is the probability that a randomly selected monthly cell phone bill is no more than $55?
Question 2 answers
2a
2b
2c
2d
Question 2
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