stat ch 6.2 hw

stat ch 6.2 hw - HW 6.2 FA10 1 of 3

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
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
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

stat ch 6.2 hw - HW 6.2 FA10 1 of 3

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online