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An urn contains 30 red gumball and 35 blue gumballs. Two are chosen at random, one after the other, without replacement. Be sure to enter your probabilities as a decimal rounded to the nearest tenth. Part I: Draw a tree diagram to calculate the following probabilities and upload the tree diagram here: Choose File No file chosen • the probability that both gumballs are red: • the probability that the first gumball is red and the second is not: % • the probability that the first gumball is not red and the second is red: % • the probability that neither gumball is red: % Part II: What is the probability that the second gumball is red? % Part III: What is the probability that at least one of the gumballs is red? %

An urn contains 30 red gumball and 35 blue gumballs. Two are chosen at random, one after the other, without replacement. Be sure to enter your probabilities as a decimal rounded to the nearest tenth. Part I: Draw a tree diagram to calculate the following probabilities and upload the tree diagram here: Choose File No file chosen • the probability that both gumballs are red: • the probability that the first gumball is red and the second is not: % • the probability that the first gumball is not red and the second is red: % • the probability that neither gumball is red: % Part II: What is the probability that the second gumball is red? % Part III: What is the probability that at least one of the gumballs is red? %

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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An urn contains 30 red gumball and 35 blue gumballs. Two are chosen at random, one after the other, without replacement. Be sure to enter your probabilities as a decimal rounded to the nearest tenth. Part I: Draw a tree diagram to calculate the following probabilities and upload the tree diagram here: Choose File No file chosen • the probability that both gumballs are red: % • the probability that the first gumball is red and the second is not: % • the probability that the first gumball is not red and the second is red: % • the probability that neither gumball is red: % Part II: What is the probability that the second gumball is red? % Part III: What is the probability that at least one of the gumballs is red? %
Transcribed Image Text:An urn contains 30 red gumball and 35 blue gumballs. Two are chosen at random, one after the other, without replacement. Be sure to enter your probabilities as a decimal rounded to the nearest tenth. Part I: Draw a tree diagram to calculate the following probabilities and upload the tree diagram here: Choose File No file chosen • the probability that both gumballs are red: % • the probability that the first gumball is red and the second is not: % • the probability that the first gumball is not red and the second is red: % • the probability that neither gumball is red: % Part II: What is the probability that the second gumball is red? % Part III: What is the probability that at least one of the gumballs is red? %
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