Answer:
Expectation number of books a customer will purchase = 1.3
Step-by-step explanation:
x : 0 1 2
p(x) :0.2, 0.3, and 0.5
Expectation
E(X) = ∑x P(x)
= 0 X 0.2 +1 X 0.3+ 2 X 0.5
= 1.3
Expectation E(X) = 1.3
Expectation number of books a customer will purchase = 1.3
To find 1% of a number, move the decimal 2 places to the left.
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Answer:
she subtracted the 5 instead of adding it
Step-by-step explanation:
Answer:
I think true im sorry if its not
Answer:
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