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2023_Sec5.2_Part2_F18.docx - Section 5.2 Part 2 Parameters...

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Section 5.2Part 2Parameters for Binomial DistributionsLet beXa binomial random variable withntrials, success probabilitypand failure probabilityq.Then the mean ofXisμ=The standard deviation ofXisσ=npqExamples:1.According to a college survey, 22% of all students work full time. Find the mean and statndarddeviation for the number of students who work full time in samples of size 16.2.A survey for brand recognition is done and it is determined that 68% of consumers have heard ofDull Computer Company. A survey of 800 randomly selected consumers is to be conducted. Fornp
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Term
Fall
Professor
NoProfessor
Tags
Standard Deviation, Probability theory, Randomness, Dull Computer Company, such groups

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