Your good (though slightly weird) friend claims to be able to predict a coin flip perfectly every time. You think that they are just guessing heads or tails with equal probability every time though, and have just been lucky so far. What's the smallest number of predictions in a row where you are at least 99% certain your friend will make a mistake? O 1

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
Question
Your good (though slightly weird) friend claims to be able to predict a coin flip
perfectly every time. You think that they are just guessing heads or tails with
equal probability every time though, and have just been lucky so far.
What's the smallest number of predictions in a row where you are at least
99% certain your friend will make a mistake?
O 1
O 2
O 4
O 5
O 6
O 7
8
9.
O 10
Transcribed Image Text:Your good (though slightly weird) friend claims to be able to predict a coin flip perfectly every time. You think that they are just guessing heads or tails with equal probability every time though, and have just been lucky so far. What's the smallest number of predictions in a row where you are at least 99% certain your friend will make a mistake? O 1 O 2 O 4 O 5 O 6 O 7 8 9. O 10
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