..s) A researcher studied the relationship between coffee drinking and heart attacks in young women. The researcher took a random sample of 345 young women and the table below summarizes the results. Heart attack Coffee drinker No Yes Total Light Нeavy 172 88 260 45 40 85 Total 217 128 345 (A) Find the probability that a randomly selected woman is a heavy coffee drinker and had a heart attack (circle exactly one answer). 40 40 128 (i) (iii) 128 (iv): (v): 345 345 3) Find the probability that a randomly selected woman had a heart attack given that she is a heavy coffee drinker (circle exactly one answer). 40 40 40 45 128 (ii) (ii) 85 (ii) 128 (iv) (v) 345 345
..s) A researcher studied the relationship between coffee drinking and heart attacks in young women. The researcher took a random sample of 345 young women and the table below summarizes the results. Heart attack Coffee drinker No Yes Total Light Нeavy 172 88 260 45 40 85 Total 217 128 345 (A) Find the probability that a randomly selected woman is a heavy coffee drinker and had a heart attack (circle exactly one answer). 40 40 128 (i) (iii) 128 (iv): (v): 345 345 3) Find the probability that a randomly selected woman had a heart attack given that she is a heavy coffee drinker (circle exactly one answer). 40 40 40 45 128 (ii) (ii) 85 (ii) 128 (iv) (v) 345 345
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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