Question

1

Answer 1

Answer:

Explained below.

Step-by-step explanation:

The data provided is for the number of overtime hours worked in one week per employee.

(a)

The probability distribution is as follows:

X Frequency P(X)

0       8        0.042

1     10        0.052

2     33        0.173

3     53        0.277

4     43        0.225

5     25        0.131

6     19        0.099

  191        1.000

(b)

Construct the histogram in Excel.

The histogram is approximately symmetric as maximum data is collected in the middle.