2. David measures the weight of each student from his Math II class. He finds the mean weight is 62kg with a standard deviation of 3kg, and assumes the weight is normally distributed. (a) Sketch the distribution

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2. David measures the weight of each student from his Math II class. He finds the mean
weight is 62kg with a standard deviation of 3kg, and assumes the weight is normally
distributed.
(a) Sketch the distribution
(b) Approximately what percentages of people have weights between 59kg and 68kg?
(c) Assuming that his Math II class is representative of Massey's 4000 students,
how many of Massey students will probably be less than 53kg in weight?
Transcribed Image Text:2. David measures the weight of each student from his Math II class. He finds the mean weight is 62kg with a standard deviation of 3kg, and assumes the weight is normally distributed. (a) Sketch the distribution (b) Approximately what percentages of people have weights between 59kg and 68kg? (c) Assuming that his Math II class is representative of Massey's 4000 students, how many of Massey students will probably be less than 53kg in weight?
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