14) An alarm company reports that the number of alarms sent to their monitoring center from customers owning their system follow a Poisson distribution with λ = 4.7 alarms per year. Identify the mean and standard deviation for this distribution. A) mean = 4.7, standard Deviation = 4.7 B) mean = 2.17, standard Deviation = 2.17 C) mean = 2.17, standard Deviation = 4.7 D) mean = 4.7, standard Deviation = 2.17
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.
14) An alarm company reports that the number of alarms sent to their monitoring center from customers owning their system follow a Poisson distribution with λ = 4.7 alarms per year. Identify the
- A) mean = 4.7, standard Deviation = 4.7
- B) mean = 2.17, standard Deviation = 2.17
- C) mean = 2.17, standard Deviation = 4.7
- D) mean = 4.7, standard Deviation = 2.17
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