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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
![Now consider a bag of ten colorful marbles. You reach
into the bag 100 times. Each time you pull out a
marble, write down what color it was, then put it back
in the bag and do it again. You record the following
data:
Table describing
marble frequency
Color Frequency
Red
22
Yellow
9
Green
41
Blue
28](https://content.bartleby.com/qna-images/question/9072c5f8-5632-4fa6-afcd-5fe35f88b36f/878bf6d0-79f6-4e67-8615-3dd1f5fab9d1/0pte5h9_thumbnail.jpeg)
Transcribed Image Text:Now consider a bag of ten colorful marbles. You reach
into the bag 100 times. Each time you pull out a
marble, write down what color it was, then put it back
in the bag and do it again. You record the following
data:
Table describing
marble frequency
Color Frequency
Red
22
Yellow
9
Green
41
Blue
28
![Assuming the number of marbles of each color
that you guessed in the last question, what is
P(Red)? Is this theoretical or empirical? How do
you know? Is this different from the previous
guess? Why?](https://content.bartleby.com/qna-images/question/9072c5f8-5632-4fa6-afcd-5fe35f88b36f/878bf6d0-79f6-4e67-8615-3dd1f5fab9d1/ylb9uz_thumbnail.jpeg)
Transcribed Image Text:Assuming the number of marbles of each color
that you guessed in the last question, what is
P(Red)? Is this theoretical or empirical? How do
you know? Is this different from the previous
guess? Why?
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Similar questions
- Given P(A) = 0.47, P(B) = 0.29, P(A or B) = 0.17, what is P(A and B)?arrow_forwardAllergic reactions to poison ivy can be miserable. Plant oils cause the reaction. Researchers at Allergy Institute did a study to determine the effects of washing the oil off within 5 minutes of exposure. A random sample of 1000 people with known allergies to poison ivy participated in the study. Oil from the poison ivy plant was rubbed on a patch of skin. For 500 of the subjects, it was washed off within 5 minutes. For the other 500 subjects, the oil was washed off after 5 minutes. The results are summarized in the following table. Reaction None Mild Strong Column Total Within 5 Minutes After 5 Minutes 391 65 44 500 66 341 93 500 Row Total 457 406 137 1000 Let's use the following notation for the various events: W= washing oil off within 5 minutes, A = washing oil off after 5 minutes, N = no reaction, M = mild reaction, S = strong reaction. Find the following probabilities for a person selected at random from this sample of 1000 subjects. (Use 3 decimal places.)arrow_forwardIf P(A) = 0.6 and P(B) = 0.25, and P(A and B) = 0.3, determine P(A or B)arrow_forward
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