COHP 350 Quiz 3 Questions And Answers With Verified Quizzes
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Course
COHP 350
Institution
COHP 350
COHP 350 Quiz 3 Questions And Answers With Verified Quizzes
What are the discrete random variable probability distributions? ANS binomial, geometric, hypergeometric, and poison.
What are the continuous variable probability distributions? ANS Uniform, Exponential, normal, and standard normal.
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COHP 350 Quiz 3 Questions And Answers With
Verified Quizzes
What are the discrete random variable probability distributions? ANS binomial, geometric, hypergeometric, and
poison.
What are the continuous variable probability distributions? ANS Uniform, Exponential, normal, and standard
normal.
What are the basic characteristics of discrete probability distributions? ANS - Each characteristics is between
zero and one, inclusive.
- The sum of the probabilities is one.
What are the basic characteristics of a binomial distribution? ANS - There are a fixed number of trials,
represented by the letter n.
- There are only 2 outcomes, called success and failure. P = success, q = failure.
- n trials are independent and are repeated using identical conditions.
- X = number of successes obtained in the n independent trials.
What are the basic characteristics of a geometric experiment? ANS - There are one of more trials with all
failures except the last one that is a success. You keep repeating the experiment until you get a success and then you
stop.
- The number of trials could go on forever, but there must be at least one.
- The probability of a success is the same for each trials. p+q=1 and q=1 - p.
What are the characteristics of a hypergeometric distribution? ANS - Samples are taken from 2 groups.
- You are concerned with a group of interest, called the first group.
- You sample without replacement from the combined groups.
- Each pick is not independent, since sampling is without replacement.
- You are not dealing with Bernoulli trials.
- X = number of items from the group of interest.
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