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16 volunteers at Ohio State University drank a randomly assigned number of cans of beer. Thirty minutes later, a police officer measured their Blood Alcohol Content (BAC) in grams of alcohol per deciliter of blood.
The regression equation is: BAC = - 0.0127 + 0.0180 Beers
R-Sq = 80.0%
Estimate the mean BAC that happens thirty minutes after consumption of 7 cans of beer.
What is the difference between common cause variation and special cause variation?
If the process mean and standard deviation remain constant, what proportion of the output from this process will be defective?
The proportion of adults in the sample, as her estimate of p, the proportion of adults in the pond population. Find using the normal approximation with the continuity correction.
Determine future value of annuity due which has $750 deposited at the starting of each month for 15 years at 5.9% compounded monthly.
With a selling price of 40 dollars each, how many pool cues must be sold to break even? What would the total revenue be at this break even point?
An animal trainer obtained the following data, given in seconds. Construct a histogram, frequency polygon, and ogives for the data, and analyze the results.
Out of the 109 males, 42% preferred Pepsi and out of the 53 females, 40% preferred Pepsi. Pepsi wanted to test to determine if the males preferred Pepsi more than females.
Estimate with 95% confidence the mean reduction in time it takes for someone who has taken the sleeping pill to fall asleep.
A quality engineer in a light bulb manufacturing factory is planning a study to estimate the average life of a large shipment of light bulbs.
Tthen calculate the 95% and 99% CIs for the proportion of all female Hispanic drivers in Boston who wear seatbelts. Why is the 99% CI wider than the 95% CI?
The lengths of 225 fish caught in Lake Michigan had a mean of 15.0 inches. Assume that the population standard deviation is 2.5 inches.
Then describe trade-offs which will happen when you lower sample to $10,000 to meet their budget.
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