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 10 Jul 2017 My Price 11.00

probability distribution

8.92       A company wishing to improve its customer service collected hold times from 75 randomly selected incoming calls to its hot line that were put on hold. These calls had sample mean hold time x 3.4 minutes and s 2.3 minutes.

                Obtain a 99% confidence interval for m , the population mean hold time.

8.93       The daily number of kayaks sold, X, at a water sports store has the probability distribution

x            0         1         2

 

f ( x )        .5        .3        .2

(a)    Find the expected number of kayaks sold in a day.

(b)    ) Find the standard deviation of the  num- ber of kayaks sold in a day.

(c)     Suppose data from the next 64 different

Answers

Maurice Tutor
(5)
Status NEW Posted 10 Jul 2017 11:07 PM My Price 11.00

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