Decide whether the experiment is a binomial experiment: A. Selecting five cards,

Question

Decide whether the experiment is a binomial experiment:

A. Selecting five cards, one at a time without replacement, from a standard deck of cards. The random variable is the number of face cards obtained. B. Survey 50 investors to see how many different stocks they own. The random variable represents the number of different stocks owned by each investor. C. Survey 150 college students to see whether they are enrolled as new students. The random variable represents the number of students enrolled as a new student. D. Each week, a gambler plays blackjack at the local casino. The random variable is the number of times per week the player wins.

Explanation / Answer

C is the answer

A biniminal experiment will have 2 outcomes : A event and an non-event

A. Selecting five cards, one at a time without replacement, from a standard deck of cards. The random variable is the number of face cards obtained. - NOT an answer, since the outcome is binary

B. Survey 50 investors to see how many different stocks they own. The random variable represents the number of different stocks owned by each investor. - Again not binary, not the answer

C .. Survey 150 college students to see whether they are enrolled as new students. The random variable represents the number of students enrolled as a new student. - binary outcome is wether the students is enrolled as new or old yesterday..a binary variable. This is the answer

D. Each week, a gambler plays blackjack at the local casino. The random variable is the number of times per week the player wins. - This is not binary variable.

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