The Gold Credit card company knows that 70% of its customers are males. The company plans to promote its credi

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The Gold Credit card company knows that 70% of its customers are males. The company plans to promote its credit card by selecting a random sample of 5 customers each month and offering them a free vacation.

(a)What is the probability that in a given month all five selected customers are males?
(b)What is the probability that in a given month all five selected customers are females?
(c)What is the probability that the selected sample of 5 customers includes at least female?
(d)What is the mean number of male customers who are likely to be selected in the coming month

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Wednesday, December 3rd, 2008 at 8:46 am. Posted in Gold Credit Card. Tags: , , , , . You can follow this web articles through the RSS 2.0 feed.

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One Response to “The Gold Credit card company knows that 70% of its customers are males. The company plans to promote its credi”

  1. (a) .7 x .7 x .7 x .7 x .7 = 0.16807 16.8%
    (b) .3 x .3 x .3 x .3 x .3 = 0.00243 0.24%
    (c) 1 - .7 ^ 5 = .83193 = 83.2 %

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