Inside the box of every cereal box contains a surprise gift. The store manager assures employees that 21 of the 45 boxes on the shelf have a secret decoder ring and inside the other 24 boxes on the shelf contain a different gift. If two cereal boxes are randomly selected from the shelf to purchase, what is the probability that both of them have the secret decoder ring? (Give answer as a decimal correct to least three decimal places.)

Inside the box of every cereal box contains a surprise gift. The store manager assures employees that 21 of the 45 boxes on the shelf have a secret decoder ring and inside the other 24 boxes on the shelf contain a different gift. If two cereal boxes are randomly selected from the shelf to purchase, what is the probability that both of them have the secret decoder ring? (Give answer as a decimal correct to least three decimal places.)

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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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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

Inside the box of every cereal box contains a surprise gift.
The store manager assures employees that 21 of the 45 boxes
on the shelf have a secret decoder ring and inside the other
24 boxes on the shelf contain a different gift. If two cereal
boxes are randomly selected from the shelf to purchase,
what is the probability that both of them have the secret
decoder ring? (Give answer as a decimal correct to least
three decimal places.)

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