According to an Almanac, 30% of teens have tried smoking or…
According to an Almanac, 30% of teens have tried smoking or vaping. a. If 900 teens are randomly selected, how many would we expect to have tried smoking or vaping? That is what is the mean number of teens you would expect to have tried smoking or vaping? b. What is the standard deviation for the number of teens in a sample of 900 who have tried smoking or vaping? Round your answer to 2 decimal places. c. Use the following words to fill in the blanks “be” or “not be” and “is” or “is not” , you do not need to use the ” symbols. It would unusual for 250 teens to have tried vaping, because 250 with 2 standard deviations of the mean
According to an Almanac, 30% of teens have tried smoking or…
Questions
Accоrding tо аn Almаnаc, 30% оf teens have tried smoking or vaping. a. If 900 teens are randomly selected, how many would we expect to have tried smoking or vaping? That is what is the mean number of teens you would expect to have tried smoking or vaping? [answer1] b. What is the standard deviation for the number of teens in a sample of 900 who have tried smoking or vaping? Round your answer to 2 decimal places. [answer2] c. Use the following words to fill in the blanks "be" or "not be" and "is" or "is not" , you do not need to use the " symbols. It would [answer3] unusual for 250 teens to have tried vaping, because 250 [answer4] with 2 standard deviations of the mean
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