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4 6 0 The data given below show the number of overtime hours worked in one week per employee. Use the data to complete parts
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Answer #1

Solution=

The given data is,

Overtime Hours 0 1 2 3 4 5 6
Employees 5 12 26 59 46 25 15

a) Construct the probability distribution by completing the table below.

Here total number of employees is N = 188

Hence we can calculate the probabilities,

11 P(2) = N

i.e P0=4/188=0.027

similarly we calculate all probabilities.

P1=12/188=0.064 ,  ,

P2=26/188=0.138

P3=59/188=0.314

P4=46/188=0245

P5=25/188=0.133

P6=15/188=0.08

x 0 1 2 3 4 5 6
P(x) 0.027 0.064 0.138 0.314 0.245 0.133 0.08

b) Graph for probability distibution=

Option = C

Option A is the correct graph for the probability distibution.

The shape of the distibution is approximately symmetric (but not uniform).

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