1.) Unlike normal distributions, the standard normal distribution is purely theoretical.
2.) Patricia's vet told her that the z-score for her dog's weight range is 1.75 for huskies. Which of the following is the best interpretation of this standardized score? The weight of huskies (measured in pounds) is approximately normally distributed with a mean of 45 lbs and a standard deviation of 3 lbs.
a. Patricia's dog's weight is 1.75 times above the average weight of huskies.
b. Patiricia's dog's weight is 175.
c. Patricia's dog's weight is 1.75 standard deviations above the average weight for huskies.
d. Particia's dog's weight is 1.75 times the average weight for huskies.
3.)When the sample size is large, the mean of the sample (x-bar) is approximately equal to the mean of the population (µ).
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