A teacher selects a student at random from his class of 20 students every week for 20 consecutive weeks. There are 8 girls and 12 boys in the class. What is the probability that there are exactly 10 weeks in which a girl is selected? 1) 20 (.2) 8 (.8) 12 O 2) 2) 20 3) 3) 10) (2)¹2 (8)8 20 8 (₁4) ¹0 (6) 10 20 4) (4)¹0 (6) ¹0 10
A teacher selects a student at random from his class of 20 students every week for 20 consecutive weeks. There are 8 girls and 12 boys in the class. What is the probability that there are exactly 10 weeks in which a girl is selected? 1) 20 (.2) 8 (.8) 12 O 2) 2) 20 3) 3) 10) (2)¹2 (8)8 20 8 (₁4) ¹0 (6) 10 20 4) (4)¹0 (6) ¹0 10
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.1: Real Numbers
Problem 26E
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