1. A psychology class conducted an experiment. In this experiment 15 children were asked to solve a puzzle independently in a fixed amount of time. The class is interested in determining the number of children who will succeed in solving the puzzle. Under the assumption that the probability of completing the task is as low as 0.1 for each child, determine the probabilities of the following events: a) only 2 of the 15 children will solve the puzzle b) at most 2 will solve the puzzle
1. A psychology class conducted an experiment. In this experiment 15 children were asked to solve a puzzle independently in a fixed amount of time. The class is interested in determining the number of children who will succeed in solving the puzzle. Under the assumption that the probability of completing the task is as low as 0.1 for each child, determine the probabilities of the following events: a) only 2 of the 15 children will solve the puzzle b) at most 2 will solve the puzzle
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
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1. A psychology class conducted an experiment. In this experiment 15 children were asked to solve a puzzle independently in a fixed amount of time. The class is interested in determining the number of children who will succeed in solving the puzzle. Under the assumption that the
a) only 2 of the 15 children will solve the puzzle
b) at most 2 will solve the puzzle
c) more that 2 will solve the puzzle
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