stat ch 6.2 hw

# stat ch 6.2 hw - HW 6.2 FA10 1 of 3...

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Web Assign HW 6.2 FA10 (Homework) Chris O'Neal STAT 7770 FA10, Fall 2010 Instructor: Chandler Pike Current Score : 0 / 100 Due : Thursday, September 30, 2010 05:30 PM EDT 0/8 submissions 1. –/8 points For a normal distribution, find the probability within (a) 1.81 standard deviations of the mean. Probability = (4 decimal places) (b) 0.64 standard deviations of the mean. Probability = (4 decimal places) 2. –/8 points For a standard normal random variable, what z -score has (a) probability 0.225 to the right? z = (4 decimal places) (b) probability 0.925 to the left? z = (4 decimal places) 3. –/12 points A World Health Organization study (the MONICA project) of health in various countries reported that in Canada, systolic blood pressure readings have a mean of 118 and a standard deviation of 20 . A reading above 146 is considered to be high blood pressure. (a) What is the z -score for a blood pressure reading of 146? z

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## This note was uploaded on 02/08/2012 for the course STAT 2000 taught by Professor Smith during the Fall '08 term at UGA.

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stat ch 6.2 hw - HW 6.2 FA10 1 of 3...

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