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A salesman has a 60% chance of making a sale to each customer. The behaviour of successive customers is independent. If two customers A or B enteres the shop, what is the probablity that the salesman will make a sale to A or B?
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How many three-digits number can be formed from the digits 0,1,2,3,4,5 and 6 if each digits can be used only once?how many of these are odd numbers? How many are greater than 330?
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Two unbiased dice,one red and one green,are thrown and the separate scores are observed.Represent the results as (r,g), where are and g are the scores on the red and green dice respectively. Give a reason why there are 36 of these simple events. Hence find the probability that: The score on...
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I'm having some trouble understanding how to set up the following questions. Help please Billy has submitted applications for two separate research grants, A and B. He feels the probability of getting grant A is 0.50, while the probability of getting grant B is 0.40. The probability he will get...
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Please answer these questions. I am in dire need of the answers... thanks 1.)Suppose daily sales follow an unknown probability distribution with a population mean of $9000 and a population standard deviation of $1500. What is the probability that any randomly chosen day would have a sales... View more questions Search
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