In endurance horse racing, people over the age of 15 are called seniors and people 15 years or younger are called juniors. An endurance horse race consists of 28 seniors and 9 juniors. (Give answer as a fraction or a decimal out to at least 4 places. If your answer is very small use scientific notation for example 3.3421E-6.) What is the probability that the top three finishers were: (a) all seniors (b) all juniors (c) 2 seniors and 1 junior

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.7: Introduction To Coding Theory (optional)
Problem 7E
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In endurance horse racing, people over the age of 15 are called seniors and people 15 years
or younger are called juniors. An endurance horse race consists of 28 seniors and 9 juniors.
(Give answer as a fraction or a decimal out to at least 4 places. If your answer is very small
use scientific notation for example 3.3421E-6.)
What is the probability that the top three finishers were:
(a) all seniors
(b) all juniors
(c) 2 seniors and 1 junior
(d) 1 senior and 2 juniors
Transcribed Image Text:In endurance horse racing, people over the age of 15 are called seniors and people 15 years or younger are called juniors. An endurance horse race consists of 28 seniors and 9 juniors. (Give answer as a fraction or a decimal out to at least 4 places. If your answer is very small use scientific notation for example 3.3421E-6.) What is the probability that the top three finishers were: (a) all seniors (b) all juniors (c) 2 seniors and 1 junior (d) 1 senior and 2 juniors
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