(a) Student A would like to visit a country where 92% of the population speaks the native language. However, Student A does not speak and understand that language. What is the probability that at least two of three locals at the immigrant department of the airport will succeed to communicate with Student A? Answer = Answer
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.
(a) Student A would like to visit a country where 92% of the population speaks the native language.
However, Student A does not speak and understand that language.
What is the
Answer
= Answer
(b) Research Scientist A investigates the infected laboratory rats in modeling human diseases.
Research Scientist A finds out the probability of the laboratory rats getting infected is two out of ten.
What is the probability that five laboratory rats must be required before Research Scientist A finds at least three laboratory rats but not all have been infected?
Answer
= Answer
(c) A badminton game consists of at least two matches, and each match consists of 21 points.
The probability of Player A and Player B earning a point in their matches are 80% and 90%.
What is the probability difference between Player A and Player B to get their second points within the first match?
Player A: Answer
Player B: Answer
Difference = Answer
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