2303_Final_Exam_Prep

# 2303_Final_Exam_Prep - ADM2303 Final Review Qu.#1 North...

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ADM2303 Final Review Qu.#1 North American adult males (here after referred to as male/males) have body weight that is Normally distributed. The population of has a mean body weight of 170lbs with a standard deviation of 20 lbs. 1. What is the probability that a male chosen at random will have a weight more than 200 lbs. 2. If a random sample of 20 males is selected, what is the probability that: i. Exactly 3 males will over 200 lbs? ii. At least one male will be over 200 lbs? 3. If a random sample of 500 males is chosen, what is the probability i. more than 40 males will be over 200 lbs? ii. 40 or more males will be over 200 lbs? Hint: Use Normal Approximation with Continuity correction. 4. If it is known that one in one thousand ( 0.001) males is over 350 lbs, what is the probability that in a random sample of 2000 males, more than 3 males would be over 350 lbs? 5. Now consider that population mean is 170 lbs, and the population standard deviation is 20 lbs as before, but the distribution is unknown. If a sample of size 100 is taken,

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## This note was uploaded on 02/13/2011 for the course ADM na taught by Professor Na during the Winter '09 term at University of Ottawa.

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2303_Final_Exam_Prep - ADM2303 Final Review Qu.#1 North...

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