=+4. As in Exercise 3, BMI levels for New Zealand adults aged 15 and over average about

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=+4. As in Exercise 3, BMI levels for New Zealand adults aged 15 and over average about 26 kg/m2

, with a standard deviation of about 3.5 kg/m2 and are roughly Normally distributed. If BMI measures of a sample of 42 New Zealand adults are collected, what is the probability that the mean BMI level of the sample

a) Will be no more than 26?

b) Will be more than 25 (overweight)?

c) Will be more than 30 (obese)?

d) Will be in between 25 and 27?

Section 11.3

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=+4. As in Exercise 3, BMI levels for New Zealand adults aged 15 and over average about

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