Q1: Among 10 laptop computers, five are good and five have defects. Unaware of this, a customer buys 6 laptops. a) What is the probability of exactly 2 defective laptops among them? b) Given that at least 2 purchased laptops are defective, what is the probability that exactly 2 are defective?
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.
Q1: Among 10 laptop computers, five are good and five have defects. Unaware of this, a
customer buys 6 laptops.
a) What is the
b) Given that at least 2 purchased laptops are defective, what is the probability that exactly 2
are defective?
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