In a classroom of 20 students, 70% of them have brown eyes. If a teacher picks two students at random to pass out supplies, what is the probability he chooses two students without brown eyes? 49 (1) 100 3 (3) 38 91 (2) 190 (4) 100

In a classroom of 20 students, 70% of them have brown eyes. If a teacher picks two students at random to pass out supplies, what is the probability he chooses two students without brown eyes? 49 (1) 100 3 (3) 38 91 (2) 190 (4) 100

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Trigonometry (11th Edition)

11th Edition

ISBN:9780134217437

Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Chapter1: Trigonometric Functions

Section: Chapter Questions

Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.

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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

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Question

In a classroom of 20 students, 70% of them have brown eyes. If a teacher picks two students at random to
pass out supplies, what is the probability he chooses two students without brown eyes?
49
(1)
100
3
(3)
38
91
(2)
190
(4)
100

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