Description
From the attached pages, do questions 7, 9, 16, 18, 26, 28.
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Explanation & Answer
Please find attached.
Statistics Homework
a) This probability is valid. The total value of the probabilities is equal to 1
(0.2+0.15+0.25+0.4=1)
b) P(x=30)=0.25
c) P(x≤25) =0.15+0.2=0.35
d) P(x˃30)=0.4
a) Probability Table
X(No of
Years
Totals
N=Number of
Employees
P=N/Total=N/(2000)
1 506
0.253
2 390
0.195
3 310
0.155
4 218
0.109
5 576
0.288
2,000
1
b) The probability is valid since its totals equ...
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