Question 1 of 25 Step 1 of 5 Consider the following data: Step 1 of 5:...

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Question 1 of 25 Step 1 of 5 Consider the following data: Step 1 of 5: Find the expected value E(X). Round your answer to one

math Statistics-And-Probability

Answer 1

Answer #1

solution'

Mean = $\sum$ X * P(X)

=7*0.1+8*0.2+9*0.3+10*0.2+11*0.2

=0.7+1.6+2.7+2+2.2

$\mu$ = 9.2

Answer 2

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