Determine the percentage of buyers
Assume that prices of certain model of new homes are normally distributed with mean of $150,000. Determine the percentage of buyers who paid more than $154,800 if the standard deviation is $2,400
A. 97.5%B. 95%C. 2.5%D. 47.5%
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Calculate a 95 confidence interval for the mean life expectancy of a smoker ? Calculate a 95% confidence interval for mean life expectancy of a non smoker. Do these two confidence intervals provide convicting evidence that nonsmokers live longer o
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In the random sample of 150 clerical workers, 30 exhibit an intense dislike for their jobs. Compute a 94% confidence interval for the proportion of clerical workers who exhibit an intense dislike for their jobs.
In a random sample of 150 clerical workers, 30 exhibit an intense dislike for their jobs. Compute a 94% confidence interval for the proportion of clerical workers who exhibit an intense dislike for their jobs.
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Children in the top 25% are considered accelerated readers as well as qualify for different placements in school. What raw score would mark the cutoff for such placement?
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If a child's achievement is below what would be expected given their level of intellectual functioning (as derived from an IQ test such as the WISC-IV)
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