HI6007 Statistics For Business Decisions - Tutorial Questions

Question 2 (7 marks)

Annual food consumption survey shows that number of instant food meals consumed per month by university students is normally distributed with a mean of 10 and a standard deviation of 3.
a. Calculate the proportion of students consume more than 12 instant meals per month?
b. Estimate the probability that in a random sample of 25 students’ more than 275 instant meals are consumed.

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