This exercise assumes familiarity with counting arguments and probability. Kent's Tents has nine green knapsacks and five yellow ones in stock. Curt selects four of them at random. Let X be the number of green knapsacks he selects. Give the probability distribution of X. (Enter your probabilities as fractions.) 1 4 P(X = x) Find the expected number of green knapsacks selected. (Round your answer to one decimal place.) green knapsacks

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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This exercise assumes familiarity with counting arguments and probability.
Kent's Tents has nine green knapsacks and five yellow ones in stock. Curt selects four of them at random. Let X be the number of green knapsacks he selects.
Give the probability distribution of X. (Enter your probabilities as fractions.)
1
4
P(X = x)
Find the expected number of green knapsacks selected. (Round your answer to one decimal place.)
green knapsacks
Transcribed Image Text:This exercise assumes familiarity with counting arguments and probability. Kent's Tents has nine green knapsacks and five yellow ones in stock. Curt selects four of them at random. Let X be the number of green knapsacks he selects. Give the probability distribution of X. (Enter your probabilities as fractions.) 1 4 P(X = x) Find the expected number of green knapsacks selected. (Round your answer to one decimal place.) green knapsacks
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