question 21 (3 points)\na teacher records the number of questions students ask each class. the data is not…

question 21 (3 points)\na teacher records the number of questions students ask each class. the data is not normally distributed. true or false: it is appropriate to use the mean and standard deviation to estimate population percentages in this case.\ntrue\nfalse\nquestion 22 (3 points)\na factory produces light bulbs with a mean lifespan of 800 hours and a standard deviation of 25 hours. what percentage of light bulbs are expected to last between 775 and 825 hours?

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