Suppose there are 8 lightbulbs, 5 of which are bad, in a box. If the light bulbs are chosen at random, what is the probability that: a) the first three you chose are all good? b) at least one of the first three is good? c) you must pick four bulbs to find one that is good?
Suppose there are 8 lightbulbs, 5 of which are bad, in a box. If the light bulbs are chosen at random, what is the probability that: a) the first three you chose are all good? b) at least one of the first three is good? c) you must pick four bulbs to find one that is good?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter0: Preparing For Algebra
Section: Chapter Questions
Problem 55PRT
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Question
Suppose there are 8 lightbulbs, 5 of which are bad, in a box. If the light bulbs are chosen at random, what is the
a) the first three you chose are all good?
b) at least one of the first three is good?
c) you must pick four bulbs to find one that is good?
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