A particular type of tennis racket comes in a midsize version and an oversize version. Sixty percent of all customers at a certain store want the oversize version. Among ten randomly selected customers who want this type of racket, what is the probability that atleast six want the oversize version? Among ten randomly selected customers, what is the probability that the number who want the oversize version is within 1 standard deviation of the mean value? The store currently has seven rackets of each version. What is the probability that all of the next ten customers who want this racket can get the version they want from current stock?
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 particular type of tennis racket comes in a midsize version and an oversize version. Sixty percent of all customers at a certain store want the oversize version.
- Among ten randomly selected customers who want this type of racket, what is the
probability that atleast six want the oversize version? - Among ten randomly selected customers, what is the probability that the number who want the oversize version is within 1 standard deviation of the
mean value ? - The store currently has seven rackets of each version. What is the probability that all of the next ten customers who want this racket can get the version they want from current stock?
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