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7. A department store sells sport shirts in three sizes (small, medium, and large), three patterns (plaid, print, and stripe), and two sleeve lengths (long and short). The accompanying tables give the proportions of shirts sold in the various category combinations: Short-sleeved Size S M L PI .04 .08 .03 Long-sleeved Pattern Pl .03 .10 .04 Pr .02 .07 .07 Pattern Pr .02 .05 .02 St .05 .12 .08 Size S M L a. What is the probability that the next shirt sold is a short-sleeved shirt? A long-sleeved shirt? b. What is the probability that the size of the next shirt sold is medium? That the pattern of the next shirt sold is a print? St .03 .07 .08

7. A department store sells sport shirts in three sizes (small, medium, and large), three patterns (plaid, print, and stripe), and two sleeve lengths (long and short). The accompanying tables give the proportions of shirts sold in the various category combinations: Short-sleeved Size S M L PI .04 .08 .03 Long-sleeved Pattern Pl .03 .10 .04 Pr .02 .07 .07 Pattern Pr .02 .05 .02 St .05 .12 .08 Size S M L a. What is the probability that the next shirt sold is a short-sleeved shirt? A long-sleeved shirt? b. What is the probability that the size of the next shirt sold is medium? That the pattern of the next shirt sold is a print? St .03 .07 .08

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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7. A department store sells sport shirts in three sizes (small, medium, and large), three patterns (plaid, print, and stripe), and two sleeve lengths (long and short). The accompanying tables give the proportions of shirts sold in the various category combinations: Short-sleeved Size S M L PI .04 .08 .03 Long-sleeved Pattern Pl .03 .10 .04 Pr .02 .07 .07 Pattern Pr .02 .05 .02 St .05 .12 .08 Size S M L a. What is the probability that the next shirt sold is a short-sleeved shirt? A long-sleeved shirt? b. What is the probability that the size of the next shirt sold is medium? That the pattern of the next shirt sold is a print? St .03 .07 .08
Transcribed Image Text:7. A department store sells sport shirts in three sizes (small, medium, and large), three patterns (plaid, print, and stripe), and two sleeve lengths (long and short). The accompanying tables give the proportions of shirts sold in the various category combinations: Short-sleeved Size S M L PI .04 .08 .03 Long-sleeved Pattern Pl .03 .10 .04 Pr .02 .07 .07 Pattern Pr .02 .05 .02 St .05 .12 .08 Size S M L a. What is the probability that the next shirt sold is a short-sleeved shirt? A long-sleeved shirt? b. What is the probability that the size of the next shirt sold is medium? That the pattern of the next shirt sold is a print? St .03 .07 .08
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