Question

According to a report by Scarborough Research, the average monthly
houscheld cellular phone bill is 560. Suppose local monthly household cell
phone bills are nomally distributed with a standard deviation of Sil -35.
2. What is the probability that a randomly selected monthly cell phone bill is
more than $852
b. What is the probability that a randomly selected monthly cell phone bill is
between $45 and 5707
e. What is the probability that a randomly selected monthly cell phone bill is
between $65 and 5757
d. What is the probability that a randomly selected monthly cell phone bill is
no more than $40
a). List six properties of nomal distribution.​

Answer 1

Answer:

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