Multiple choice question, explain IF possible. Will leave a thumbs up! Multiple-

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Multiple choice question, explain IF possible. Will leave a thumbs up!

Multiple-Choce Section-20 Questions Suggested Pacing/Time to Complete: 20 Mtinutes eteearn aon exam, you must get at least 75% of the multiple-choice questions correct.) The probability mass function for a random variable gives which of the following None of the above d. acronym CDF. often denoted F(X), stands for? a. Central Deviation Function Th b Cumulative Distribution Function d Iam going to get a C, D, or F on this exam (please don't circle this one) Which of the following is a measure to locationi? a. Mean b. Expected value C. Ep) d. All of the above Which of the following could NOT be represented by a discrete random variable? The probability that the number of defects in a random sample of 100 parts is less than 10 The probability that the time between successive customers entering a store is less than 10 minutes The expected number of customers entering a store in the next hour The probability that at least 10 customers will visit a store without making a purchase before three customers visit the same store that actually do make purchases a. b. c. d. All of the following are discrete distributions except the distribution. a. Binomial b. Negative Binomial d. Normal

Explanation / Answer

1. c. P(X=x) is the right function

a. is cmulative distribution function
b. is also not the answer, as it is probability between a and b
c. is correct
d. incorrect, as c is right

2. Mean is one of the measures of location.

E(X) or expected values are just estimates

3. b, is correct , since in every other option the r.v should be disrete

4. binomial , Negative binomial , hypergeometric are disrete. In nomral we have continous

variable, so, d, is the right answer

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