SOLUTION: goodday please help with this four(4) questions. 1. There are 23 clerks amongst the 32 employees of a local bank. Fifteen of the 23 clerks have typing skills and 13 have filing

Question 1068326: goodday please help with this four(4) questions.
1. There are 23 clerks amongst the 32 employees of a local bank. Fifteen of the 23 clerks have typing skills and 13 have filing skills. The telephone rings and an employee answers it.What is the probability that it will not be a clerk?
2. The average number of traffic accidents per seven-day week on a certain section of highway is equal to 14. Based on this information, what is the probability that there will be four accidents on the Monday of a specific week?
3.A study on the delivery time of mail between two locations has found that the data follows a normal distribution. The study has also found that on average, mail takes up to five days to arrive with a standard deviation of 0:75 days. Using this information, what is the probability that the mail will take between four and six days to arrive?
4.A Cape Town courier service promises that 80%of Johannesburg-bound parcel deliveries will reach their destinations within 12 hours. What is the probability that of the seven parcels sent at random times by a particular client in Cape Town, only one is delivered late?

Answer by ikleyn(52824) (Show Source): You can put this solution on YOUR website!
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