MATHS GCSE PLEASE HELP
Sally plays two games against Martin.
In each game, Sally could win, draw or lose.
In each game they play,
the probability that Sally will win against Martin is 0.3
the probability that Sally will draw against Martin is 0.1
Work out the probability that Sally will win exactly one of the two games against Martin.
Answers
Answered by
2
Answer:
Step-by-step explanation:
Answered by
7
Answer:
21/50
Step-by-step explanation:
WL= 3/10 x 6/10 =18/100
WD= 3/10 x 1/10 = 3/100
DW=1/10 x 3/10 = 3/100
LW=6/10 x 3/10 = 18/100
18/100 + 3/100 + 3/100 + 18/100 + 42/100 = 21/50
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