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An employer wants to set a time limit so that 95% of the employees will finish a job on time. Past history has shown that the time required to do the job is normally distributed and has a mean time of 30 minutes with a standard deviation of 8 minutes. How much time should the employer allow employees to finish the job? (Round up to the nearest minute).
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What is the probability that a cereal would both high calorie and high fiber? In other words, what is P (high calorie and high fiber)?
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The scores of college-bound senior men on the math part of the SAT followed a normal distribution with mean 527 and standard deviation 116.
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Iindicate all samples are approximately Normal with no outliers. Is the ANOVA appropriate?
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For following scores determine values of each expression: X: 4, 2, 1, & 5. åX, åX 2 , (åX) 2 , å(X-1).
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