-An after-school club consists of 10 juniors and 12 seniors. If 2 students are chosen at random to represent the club at a school fair, what is the probability that both students selected are seniors given that both are from the same class level? -A student attends biology class with probability 0.80. She attends geometry class with probability 0.90. If attending those classes are independent, find the probability that she attends at least one of those classes. [Hint: Use a Venn Diagram].
-An after-school club consists of 10 juniors and 12 seniors. If 2 students are chosen at random to represent the club at a school fair, what is the probability that both students selected are seniors given that both are from the same class level? -A student attends biology class with probability 0.80. She attends geometry class with probability 0.90. If attending those classes are independent, find the probability that she attends at least one of those classes. [Hint: Use a Venn Diagram].
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
Related questions
Question
-An after-school club consists of 10 juniors and 12 seniors. If 2 students are chosen at random to represent the club at a school fair, what is the
-A student attends biology class with probability 0.80. She attends geometry class with probability 0.90. If attending those classes are independent, find the probability that she attends at least one of those classes. [Hint: Use a Venn Diagram].
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