As a promotion, the first 50 customers who entered a certain store at a mall were asked to choose from one of two discounts. The first discount choice was 20% off all purchases mad that day. The second discount choice was 10% off all purchases for the week. Of those who received the discounts, 28 chose the first discount and 22 chose the second discount. One customer will be selected at random from those who received a discount. Let F represent the event that the selected person chose the first discount, and let S represent the event tha the selected person chose the second discount. Are F and S mutually exclusive events? A B © Yes, because P(FOS) = 0. Yes, because P (FNS) = 0.12. Yes, because P (FNS) = 1 No, because P (FNS) = 0. No, because P(FNS) = 1.
As a promotion, the first 50 customers who entered a certain store at a mall were asked to choose from one of two discounts. The first discount choice was 20% off all purchases mad that day. The second discount choice was 10% off all purchases for the week. Of those who received the discounts, 28 chose the first discount and 22 chose the second discount. One customer will be selected at random from those who received a discount. Let F represent the event that the selected person chose the first discount, and let S represent the event tha the selected person chose the second discount. Are F and S mutually exclusive events? A B © Yes, because P(FOS) = 0. Yes, because P (FNS) = 0.12. Yes, because P (FNS) = 1 No, because P (FNS) = 0. No, because P(FNS) = 1.
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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Transcribed Image Text:As a promotion, the first 50 customers who entered a certain store at a mall were asked to choose from one of two discounts. The first discount choice was 20% off all purchases made
that day. The second discount choice was 10% off all purchases for the week. Of those who received the discounts, 28 chose the first discount and 22 chose the second discount. One
customer will be selected at random from those who received a discount. Let F represent the event that the selected person chose the first discount, and let S represent the event that
the selected person chose the second discount.
Are F and S mutually exclusive events?
(A)
(B)
D
E
Yes, because P (FS) = 0.
Yes, because P (FS) = 0.12.
Yes, because P (FS) = 1.
No, because P (FNS) = 0.
No, because P(FNS) = 1.
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