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Category > Statistics Posted 02 Aug 2017 My Price 7.00

The following table, reproduced from Exercise 5.12, lists the probability distribution

the following table, reproduced from Exercise 5.12, lists the probability distribution of the number of patients entering the emergency room during a 1-hour period at Millard Fellmore Memorial Hospital.

Calculate the mean and standard deviation for this probability distribution.

Exercise 5.12:

A review of emergency room records at rural Millard Fellmore Memorial Hospital was performed to determine the probability distribution of the number of patients entering the emergency room during a 1-hour period. The following table lists the distribution.

a. Graph the probability distribution.

b. Determine the probability that the number of patients entering the emergency room during a randomly

selected 1-hour period is

i. 2 or more           ii. exactly 5                  iii. fewer than 3                iv. at most 1

 

Answers

Alpha Geek
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Status NEW Posted 02 Aug 2017 01:08 PM My Price 7.00

mea-----------n =-----------S(p-----------rob-----------*va-----------ria-----------ble-----------) =-----------0*0-----------.27-----------25+-----------1*0-----------.35-----------43+-----------2*0-----------.23-----------03+-----------3*0-----------.09-----------98+-----------4*0-----------.03-----------24+-----------5*0-----------.00-----------84+-----------6*0-----------.00-----------23 -----------=1.-----------299-----------7 v-----------ari-----------anc-----------e =-----------S(p-----------rob-----------*va-----------ria-----------ble-----------^2)------------me-----------an^-----------2 =-----------((0-----------^2)-----------*0.-----------272-----------5+(-----------1^2-----------)*0-----------.35-----------43+-----------(2^-----------2)*-----------0.2-----------303-----------+(3-----------^2)-----------*0.-----------099-----------8+(-----------4^2-----------)*0-----------.03-----------24+-----------(5^-----------2)*-----------0.0-----------084-----------+(6-----------^2)-----------*0.-----------002-----------3)------------(1.-----------689-----------)

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