Question
A bagcontains five green gumdrops and six red gumdrops. If Kim pulls a green gumdrop out of the bag and eats it, what is the
- A bagcontains five green gumdrops and six red gumdrops. If Kim pulls a green gumdrop out of the bag and eats it, what is the probability that the next gumdrop she pulls out will be red?
- A die is rolled. The number it shows is greater than 2. What is the probability that the number is prime?
- Which situation best describes conditional probability?
a) finding the probability of an event occurring given another event had already occurred
b) finding the probability of two independent events occurring at the same time
c) finding the probability of an event occurring only once
d) finding the probability of an event occurring two or more times
4) Sean's team has a baseball game tomorrow. He pitches 50% of the games. There is a 40% chance of rain during the game tomorrow. If the probability that it rains given that Sean pitches is 40%, it can be concluded that these two events are
a) independent
b) dependent
c) mutually exclusive
d) complements
5) A bag contains five green gumdrops and six red gumdrops. If Kim pulls a green gumdrop out of the bag and eats it, what is the probability that the next gumdrop she pulls out will be red?
a) 1/2
b) 3/5
c) 5/11
d) 6/11
6) Gabriella has 20 quarters, 15 dimes, 7 nickels, and 8 pennies in a jar. After taking 6 quarters out of the jar, what will be the probability of Gabriella randomly selecting a quarter from the coins left in the jar? (as a fraction)
7) A fast-food restaurant analyzes data to better serve its customers. After its analysis, it discovers that the events D, that a customer uses the drive-thru, and F, that a customer orders French fries, are independent. The following data are given in a report:
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