3–48. A mainframe computer in a university crashes on the average 0.71 time in a semester. a. What is the probability that it will crash at least two times in a given semester? b. What is the probability that it will not crash at all in a given semester? c. The MIS administrator wants to increase the probability of no crash at all in a semester to at least 90%. What is the largest that will achieve this goal?
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.
3–48. A mainframe computer in a university crashes on the average 0.71 time in a
semester.
a. What is the
semester?
b. What is the probability that it will not crash at all in a given semester?
c. The MIS administrator wants to increase the probability of no crash at
all in a semester to at least 90%. What is the largest that will achieve
this goal?
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