Q2: Suppose that after 10 years of service, 40% of computers have problems with motherboards, 30% have problems with hard discs and 15% have problems with both motherboard and hard disc. What is the probability that 10 year old computer has fully functioning motherboard and hard disc?
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.
Q2: Suppose that after 10 years of service, 40% of computers have problems with motherboards,
30% have problems with hard discs and 15% have problems with both motherboard and hard
disc. What is the
hard disc?
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