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Probability
(i) The probability a 30-year-old survives to age 40 is 5/6. (ii.) The probability a 40-year-old survives to age 70 is 2/5. (iii.) Given a 30-year-old dies before age 50, the probability he/she dies after ge 40 is 1/2. Find the probability that a person age 50 will survive to age 70.

(i) The probability a 30-year-old survives to age 40 is 5/6. (ii.) The probability a 40-year-old survives to age 70 is 2/5. (iii.) Given a 30-year-old dies before age 50, the probability he/she dies after ge 40 is 1/2. Find the probability that a person age 50 will survive to age 70.

A First Course in Probability (10th Edition)
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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9. (i) The probability a 30-year-old survives to age 40 is 5/6. (ii.) The probability a 40-year-old survives to age 70 is 2/5. (iii.) Given a 30-year-old dies before age 50, the probability he/she dies after age 40 is 1/2. Find the probability that a person age 50 will survive to age 70.
Transcribed Image Text:9. (i) The probability a 30-year-old survives to age 40 is 5/6. (ii.) The probability a 40-year-old survives to age 70 is 2/5. (iii.) Given a 30-year-old dies before age 50, the probability he/she dies after age 40 is 1/2. Find the probability that a person age 50 will survive to age 70.
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