Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 17 Oct 2017 My Price 3.00

1st quartile value.

Average talk time between charges of a cell phone is advertised as 4 hours. Assume that talk time is normally distributed with a standard deviation of 0.8 hour.

 

a. Find the probability that talk time between charges for a randomly selected cell phone is below 3.5 hours.

b. Find the probability that talk time between charges for a randomly selected cell phone is either more than 4.5 hours or below 3.5 hours.

c. Twenty-five percent of the time, talk time between charges is below the 1st quartile value. What is this value?

Answers

(5)
Status NEW Posted 17 Oct 2017 07:10 PM My Price 3.00

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