The point of this problem is to ensure that you understand how to use AND and OR in a statistical context. Serhan has three favorite drinks: 1. espresso, which he gets with 0.5 probability 2. an americano (espresso poured into hot water), with 0.2 probability 3. black tea, which he gets the rest of the time. With what probability does he get tea? 0.3

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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a.
C.
The point of this problem is to ensure that you understand how to use AND and OR in a statistical context.
Serhan has three favorite drinks:
d.
1. espresso, which he gets with 0.5 probability
2. an americano (espresso poured into hot water), with 0.2 probability
3. black tea, which he gets the rest of the time.
With what probability does he get tea?
b. Serhan goes to the shop and buys one drink. What is the probability that he will buy a coffee drink (espresso OR americano)?
0.3
0,7
What is the probability that he will order an espresso and then a tea?
What is the probability that he will order an espresso and an americano in any order?
Hint: What is the probability that he will order an espresso and then an americano OR an americano and then an espresso?
Transcribed Image Text:a. C. The point of this problem is to ensure that you understand how to use AND and OR in a statistical context. Serhan has three favorite drinks: d. 1. espresso, which he gets with 0.5 probability 2. an americano (espresso poured into hot water), with 0.2 probability 3. black tea, which he gets the rest of the time. With what probability does he get tea? b. Serhan goes to the shop and buys one drink. What is the probability that he will buy a coffee drink (espresso OR americano)? 0.3 0,7 What is the probability that he will order an espresso and then a tea? What is the probability that he will order an espresso and an americano in any order? Hint: What is the probability that he will order an espresso and then an americano OR an americano and then an espresso?
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