Kayla randomly chooses 5 dresses from a thrift shop containing 15 dresses. In this collection of 15 dresses, 9 have sleeves and 6 have no sleeves. *Note: This is a DISCRETE random variable X. a. Find the PMF for X = the number of dresses in the thrift shop that have sleeves. b. Find the CDF of X. c. Separately use the PMF and the CDF to find P(2 ≤ x ≤ 4) Show work.
Kayla randomly chooses 5 dresses from a thrift shop containing 15 dresses. In this collection of 15 dresses, 9 have sleeves and 6 have no sleeves. *Note: This is a DISCRETE random variable X. a. Find the PMF for X = the number of dresses in the thrift shop that have sleeves. b. Find the CDF of X. c. Separately use the PMF and the CDF to find P(2 ≤ x ≤ 4) Show work.
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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Kayla randomly chooses 5 dresses from a thrift shop containing 15 dresses. In this collection of 15 dresses, 9 have sleeves and 6 have no sleeves.
*Note: This is a DISCRETE random variable X.
a. Find the PMF for X = the number of dresses in the thrift shop that have sleeves.
b. Find the CDF of X.
c. Separately use the PMF and the CDF to find P(2 ≤ x ≤ 4) Show work.
Expert Solution
Step 1: Given information
n=5, 15 dresses, 9 have sleeves and 6 have no sleeves.
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