A. N/x B. X/n C. 1-p D. -p variable x represents the number of condiments used f

Question

A. N/x B. X/n C. 1-p D. -p variable x represents the number of condiments used for a hamburgel. I standard deviation for the random variable x 7) In a sandwich shop, thg pi P(x) 0 0.30 1 0.40 2 0.20 3 0.06 4/0.04 TIPLE CHOICE. Choose the one alternative that best completes the statement or answers t 8) lEp is the probability of success of a binomial experiment, then the probability of failure is pletes the statement or answers the q A) B) C)1-p D) -P ) The sum of the probabilities of a discrete probability distribution must be A) greater than one. C) equal to one. B) between zero and one. D) less than or equal to zero. iven the table of probabilities for the random variable x, does this form a probability dis nswer Yes or No. 2 (x) 0.02 0.07 0.22 0.27 0.42

Explanation / Answer

8.

Success and failure are complements, so their probabilities sum up to 1. Hence, if p = probability of success, then the probability of failure is

OPTION C: 1 - p [ANSWER]

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9.

The sum of all probabilities must be

OPTION C: equal to 1 [ANSWER, C]

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