5.The following table shows that distribution of the number of days of sick leave taken by 100 employees during a year. 

Days of sick leave taken  Number of employees

0                                        5

1                                        8

2                                        10

3                                        12

4                                        18

5                                        14

6                                        10  

7                                        9      

8                                        8

9                                        4  

10                                     2

a)Compute the mean and variance b)Find the probability that a randomly selected employee will be one who took: a.3 days sick leave b.more than 5 days sick leave c.6 to 8 days (inclusive) sick leave d.either 9 or 10 days sick leave

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of one one day 122 17444 ww a 3 days sick leane No leame 12 Total No of employce of employce 3 ... View the full answer