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21-07-2020
Mathematics

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PLEASE HELP The probability distribution for a
random variable x is given in the table.

PLEASE HELP The probability distribution for a random variable x is given in the table class=

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modupe123 modupe123

21-07-2020

1

Step-by-step explanation:

p(x≤20)=p(x=-10) +p(x=-5)+p(X=0) +p(x=5) +p(x=10)+ p(X=15)+p(X=20)

This, p(X≤20)=0.20+0.15+0.05+0.1+0.25+0.1+0.15

=1

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