In: Statistics and Probability
In a large university, 20% of the students are male. If a random sample of twenty two students is selected
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a. |
What is the probability that the sample contains exactly twelve male students? |
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b. |
What is the probability that the sample will contain no male students? |
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c. |
What is the probability that the sample will contain exactly twenty female students? |
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d. |
What is the probability that the sample will contain more than nine male students? |
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e. |
What is the probability that the sample will contain fewer than ten male students? |
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f. |
What is the expected number of male students? |