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Author Question: Which of the following is true regarding properties of a Poisson random variable? a. All of these ... (Read 70 times)

fox

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on: Jun 24, 2018
Which of the following is true regarding properties of a Poisson random variable?
 a. All of these answers are properties of a Poisson random variable.
 
  b. The mean and variance of a Poisson random variable are the same.
 
  c. The probability distribution for a Poisson random variable is a good model for data that represent the occurrence of a specified event over time.
 
  d. The occurrence of an event during one period does not change the probability of an event occurring in some later period.

Question 2

Angela is importing a string of data that includes five-digit zip codes for 500 cities. This text file is considered:
 a. neither fixed nor delimited
  b. fixed or delimited
  c. delimited
  d. fixed width


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Cnarkel

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Reply #1 on: Jun 24, 2018
Answer to Question 1

a

Answer to Question 2

d


fox

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

softEldritch

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Reply 3 on: Yesterday
Excellent

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