Some friends buy a six-pack of popcorn. Two of the bags are salted (S), the rest are fruit flavoured (F). They decide to allocate the bags by lucky dip. Find the probability that: (i) the first two bags chosen are the same as each other (ii) the first two bags chosen are different from each other. first dip second dip combined 1 (i) 5 P( %3D (ii) 4 (ii) P( )=x 4 3 (i) 3 5
Some friends buy a six-pack of popcorn. Two of the bags are salted (S), the rest are fruit flavoured (F). They decide to allocate the bags by lucky dip. Find the probability that: (i) the first two bags chosen are the same as each other (ii) the first two bags chosen are different from each other. first dip second dip combined 1 (i) 5 P( %3D (ii) 4 (ii) P( )=x 4 3 (i) 3 5
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:Some friends buy a six-pack of popcorn. Two of the bags are salted (S), the
rest are fruit flavoured (F). They decide to allocate the bags by lucky dip.
Find the probability that:
(i)
the first two bags chosen are the same as each other
(ii) the first two bags chosen are different from each other.
first dip
second dip
combined
1
(i)
5
P(
(ii)
4
(ii)
P( )=x
(i)
P( )=
3
4
3
5
2/6
416
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