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A regression line for a data set was found to be yt= 1.25 - 3.84x . What is the point prediction of y for x = 20?
A. 78.05
B. -76.8
C. 76.8
D. -75.55
Statistics and Probability, Statistics
List three ways organizations provide context for their financial ratios, in other words what is the basis of on which they compare their results?
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Consumer product manufacturers commonly include customer satisfaction surveys on product warranty cards that are sent back to the company. An outdoors company redesigned a popular camping tent, and it wants to know wheth ...
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Anystate Auto Insurance Company took a random sample of 388 insurance claims paid out during a 1-year period. The average claim paid was $1575. Assume σ = $240. Find a 0.90 confidence interval for the mean claim paymen ...
The lifetime of a particular type of light bulb are approximately normally distributed with a mean of 1200 hours and a standard deviation of 140 hours. a) Find the probability that a randomly chosen bulb will burn longer ...
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