SOLUTION: Two industrial cleaning products salesman A and B, must each make two calls per day, one in the morning and one in the afternoon. Salesman A has a probability of 0.45 of selling a

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Question 1145060: Two industrial cleaning products salesman A and B, must each make two calls per day, one in the morning and one in the afternoon. Salesman A has a probability of 0.45 of selling a cleaner on any call, while salesman B (a novice) has a probability of 0.2 of a sale. The two salesman work independently of each other, and each salesman’s morning and afternoon results are independent of each other.
1.1) Find the probability that salesman A makes one sale for the day (rounded off to three decimals)? [2]
1.2) Find the probability that salesman A makes no sales (rounded off to three decimals)? [1.5]
1.3) Find the probability that salesman B makes one sale for the day (rounded off to two decimals)? [2]
1.4) Find the probability that salesman B makes no sales (rounded off to two decimals)? [1.5]
1.5) Find the probability that either salesman A makes one sale or salesman B makes one sale (rounded off to three decimals)?

Found 2 solutions by solver91311, richwmiller:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


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John

My calculator said it, I believe it, that settles it

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Normally, the rule is one question per post.
There is one exception. If all the question relate to the same info and data, the other questions are allowed.