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Mathematics, 09.10.2019 17:20 UltimateGoal
Heights of 10 year olds, regardless of gender, closely follow a normal distribution with mean 55 inches and standard deviation 6 inches. (a) what is the probability that a randomly chosen 10 year old is shorter than 51 inches? (round your answer to four decimal places.) (b) what is the probability that a randomly chosen 10 year old is between 57 and 67 inches? (round your answer to four decimal places.) (c) if the tallest 10% of the class is considered "very tall", what is the height cutoff for "very tall"? (round your answer to two decimal places.) in (d) the height requirement for batman the ride at six flags magic mountain is 54 inches. what percent of 10 year olds cannot go on this ride? (round your answer to two decimal places.)
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