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The mean and the standard deviation of a characteristics of 100 items were found to be 60 &10 respectively at the time of calculations two items were taken as 5 & 45 instead of 30 & 20.
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Calculate the corrected mean and corrected standard deviation.
A fashion student was interested in factors that predicted the salaries of catwalk models. She collected data from 231 models.
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calculating probabilitya sample of 400 large companies showed that 120 of them offer free health fitness centers to
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Find the 99% confidence interval for the population proportion.
How many lanes does the YMCS need to allot to lap swimming to ensure that at most 5% of all prospective swimmers will become disgusted and go running?
To recognize the width of the confidence interval.As the confidence level \"1 - α\" increases, the width of the confidence interval.
02. The Complement rule states that the probability of an event not occurring is
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