events {owns an iPhone} and {owns a laptop} independent? 11. The probability Keydaliz will get an A on the statistics quiz is 0.9 and the probability she will get an A on the statistics test is 0.6. The probability Keydaliz gets an A on the test given she gets an A on the quiz is 0.7. a. What is the probability Keydaliz gets an A on either assessment? b. What is the probability Keydaliz gets an A on both assessments? nous of HHS students asked whether they played a musical instrument and whether they

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.3: Conditional Probability; Independent Events; Bayes' Theorem
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Question 11
AP Statistics
Dr. Berger
10. In Happy High School, the probability a student owns an iPhone is 90%. The probability a
student owns a laptop is 70%, and the probability a student owns an iPhone and a laptop is 50%.
a. Are the events {owns an iPhone} and {owns a laptop} mutually exclusive?
b. Are the events {owns an iPhone} and {owns a laptop} independent?
11. The probability Keydaliz will get an A on the statistics quiz is 0.9 and the probability she will get
an A on the statistics test is 0.6. The probability Keydaliz gets an A on the test given she gets an
A on the quiz is 0.7.
a.
What is the probability Keydaliz gets an A on either assessment?
b. What is the probability Keydaliz gets an A on both assessments?
12. A census of HHS students asked whether they played a musical instrument and whether they
liked Taylor Swift's new album Midnights. Here are the results:
Play Instrument
Don't Play
54
Like Midnights
Don't Like Midnights
36
12
?
quonts (play an instrument} and {Like Midnights} are independent, how many students must
trument and don't like Mindnights?
Transcribed Image Text:AP Statistics Dr. Berger 10. In Happy High School, the probability a student owns an iPhone is 90%. The probability a student owns a laptop is 70%, and the probability a student owns an iPhone and a laptop is 50%. a. Are the events {owns an iPhone} and {owns a laptop} mutually exclusive? b. Are the events {owns an iPhone} and {owns a laptop} independent? 11. The probability Keydaliz will get an A on the statistics quiz is 0.9 and the probability she will get an A on the statistics test is 0.6. The probability Keydaliz gets an A on the test given she gets an A on the quiz is 0.7. a. What is the probability Keydaliz gets an A on either assessment? b. What is the probability Keydaliz gets an A on both assessments? 12. A census of HHS students asked whether they played a musical instrument and whether they liked Taylor Swift's new album Midnights. Here are the results: Play Instrument Don't Play 54 Like Midnights Don't Like Midnights 36 12 ? quonts (play an instrument} and {Like Midnights} are independent, how many students must trument and don't like Mindnights?
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