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Please complete question 15, 17, 20. a,b,c. Please Show all your work in Excel spreadsheets (not in Words files or pdf files); (2) Show both your manual work "and" the available Excel stats functional...

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Please complete question 15, 17, 20. a,b,c. Please Show all your work in Excel spreadsheets (not in Words files or pdf files);
(2) Show both your manual work "and" the available Excel stats functional work for each question.
qfile_636871498851401242_124903_1.pdf qfile_636871498851401242_124903_2.pdf
Answered Same Day Mar 02, 2021

Solution

Mohammad Wasif answered on Mar 04 2021
142 Votes
Q 15
    Sample Mean Range    5
    Mean    200
    Standard Deviation    50
    Sample Size    100
    a)
    z value for 195    -1
    z value for 205    1
    P (z < -1)    0.1587
    P (z < 1)    0.8413
    P (195 < x-bar < 205 )    0.6827
    b)
    z value for 190    -2
    z value for 210    2
    P (z < -2)    0.0228
    P (z < 2)    0.9772
    P (190 < x-bar < 210 )    0.9545
Q 17
    a)
    Sample size    50
    Standard Deviation    10
    Now,
    Standard...
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