Question 1: A normal distribution has a mean of 0 and a standard deviation of 1. What percent of the deviations are between -1 and 1 standard deviation? What percent are between -2 and 2 standard deviations? What percent of deviations are between -3 and 3 standard deviations
Question 1: A
Question 2: You review your data from a population A and population B. The mean and standard deviation are noted as N(mean, standard deviation). NA(400,10) and NB(300,25). 95 percent of the observations for population A exceed a value of___________?95 percent of the observations for population B are less than a value of _____________?
Question 3: the area under the normal distribution is known as a __________________________or a ______________________(two "P" words)
Question 4: A lid manufacturer can supply lids that meet the distribution of N(4.00,0.02). For the lids to
Question 5: A battery has an expected life (miles) as follows N(300000,10000). If there are 100000 cars in the population of cars sold last year. How many cars would be expected to exceed a battery life of 290000 miles?
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