Two friends argue over who brushes their teeth more often. To settle theargument, they keep track of the number of mornings and nights they brushand calculate a probability. These are shown in the table.BraxtonArabellaProbability of brushingin morning0.790.85Probability of brushingin evening0.810.72Who is more likely to brush both morning and evening? Assume all events areindependent. Who is more likely to brush both morning and evening? Assume all events areindependent.A. Arabella. She has a 0.72 probability of brushing both times.B. Braxton. He has a 0.64 probability of brushing both times.C. Arabella. She has a 0.61 probability of brushing both times.D. Braxton. He has a 0.79 probability of brushing both times.

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

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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Find the indicated probability. In general, after a group makes a reservation at a restaurant, they do not show up 20% of the time. If a restaurant has 8 reservations for the evening, what is the probability that exactly two do not show up? 0.2936 O 0.7064 O 0.2031 O 0.4967 0.7969
A student must choose to participate in two different events during field day. There are four track events, two academic events, and six team sports events. What is the approximate probability that the student will choose to participate in two team sports? 0.114 0.227 0.273 0.545
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