Statistics- A restaurant employs 9 people. 2 bartenders, 3 waiters and 4 work
QUESTION
A restaurant employs 9 people. 2 bartenders, 3 waiters and 4 work in the kitchen. It has been observed thaton any day the probability of an employee to call in sick is 2% for the bartenders, 3% for the waiters and 1% forthe kitchen staff.Calculate:1 the probability of all bartenders coming to work on a random day.2 the probability of no more than one employee missing from work on a random day.3 the average number of the employees coming to work.4 If on one day exactly one employee has called in sick, the probability he is from the kitchen staff.
ANSWER:
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