Binomial vs. Geometric Review
1) A 4 question pop quiz is given to you with 30 sec remaining in class. You decide not to read the questions or the 5 answer choices. You simply select 1 answer choice/question & turn in your pop quiz to the instructor w/ 20 sec remaining in class.Define X (random variable) to represent the number of correct answer choices. a) What are the possible values of X? b) Is this a binomial or geometric setting? WHY?c) What is the probability of getting more than 2 correct answer choices? d) What is the probability of getting at least 2 correct answer choices? e) What is the probability of getting exactly any 2 of the 4 answer choices correct?f) What is the probability of getting none of the 4 answer choices correct? g) What is the probability of getting 3 or fewer of the 4 answer choices correct? 2) Eighty percent of all watches sold by a large discount store have a digital display and 20% have an analog display. The type of watch purchased by each of the next 7 customers will be noted. Define X as the number of watches among these 7 that have a DIGITAL display.

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- Summer '16
- Calculus