Question

The distribution used to describe the number of events that occur when a given average number of events is expected is the _____________ distribution.
a. possion
b. binomial
c. geometric
d. normal

Answer 1

The correct option is a. Poisson.

The distribution used to describe the number of events that occur when a given average number of events is expected is the Poisson distribution.

What is Poisson distribution?

The Poisson is a distribution of probabilities used in statistics to indicate number of times times an occurrence is likely to happen over a certain time period.

Some key features regarding the Poisson distribution are-

• It is, in other words, a count distribution. Poisson distributions are frequently used to analyze independent events that happen at a constant rate during a specified time frame.
• It was named after Siméon Denis Poisson, a French mathematician.
• A Poisson is a discrete function, which means that the variables can only take values from a (possibly endless) list.
• To put it another way, the variable cannot accept all values in either continuous range.
• The variable in the Poisson distribution could only accept whole values (0, 1, 2, 3, etc.), no fractions or decimals.

To know more about the Poisson distribution, here

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