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5 votes
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1 Answer

5 votes

we have that

Part c)

the probability is equal to

P=0.14+0.27+0.58

P=0.99

because is the sum of

x=1, x=2 and x=3

Part D

the probability is

P=0.01+0.14+0.27

P=0.42

because is less than or equal 2

User Hazel T
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