A bag contains different colored jelly beans. In the bag, there are 5 red jelly beans, 3 blue jelly beans, 2 green jelly beans, and 2 yellow jelly beans. What is the probability of picking a blue jelly bean from the bag? b. Some orange jelly beans are added to the bag. After adding these new jelly beans, the probability of picking a yellow jelly bean changes to 1/8. How many orange jelly beans were added?
A bag contains different colored jelly beans. In the bag, there are 5 red jelly beans, 3 blue jelly beans, 2 green jelly beans, and 2 yellow jelly beans. What is the probability of picking a blue jelly bean from the bag? b. Some orange jelly beans are added to the bag. After adding these new jelly beans, the probability of picking a yellow jelly bean changes to 1/8. How many orange jelly beans were added?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A bag contains different colored jelly beans. In the bag, there are 5 red jelly beans, 3 blue jelly beans, 2 green jelly beans, and 2 yellow jelly beans.
What is the probability of picking a blue jelly bean from the bag? b. Some orange jelly beans are added to the bag. After adding these new jelly beans, the probability of picking a yellow jelly bean changes to 1/8. How many orange jelly beans were added?
Transcribed Image Text:eck.com/student/tdwudkrar
A bag contains different colored jelly beans. In the bag, there are 5 red jelly beans, 3 blue jelly beans, 2 green jelly beans, and 2 yellow jelly
beans.
a. What is the probability of picking a blue jelly bean from the bag?
b. Some orange jelly beans are added to the bag. After adding these new jelly beans, the probability of picking a yellow elly bean changes
to -. How many orange jelly beans were added?
Guiding Questions
• How many jelly beans are in the bag (before the orange ones are added)?
• Are any two colors equally likely to be chosen from the bag?
• What is the probability of picking a yellow jelly bean, written as a fraction? What do the numerator and denominator represent?
• What is the new total of jelly beans once the orange ones are added?
The number of yellow jelly beans does not change, so why does the probability change once the orange jelly beans are added?
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