What is the probability of committing a type ii error

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A computer manufacturer estimates that its line of mini- computers has, on average, 8.4 days of downtime per year. To test this claim, a researcher contacts seven companies that own one of these computers and is allowed to access company computer records. It is determined that, for the sample, the average number of downtime days is 5.6, with a sample standard deviation of 1.3 days. proportion of MBAs expect stock options? Let a = .05. If the proportion really is .50, what is the probability of committing a Type II error?

Reference no: EM131015369

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