Question
Consider the following data: x 4 5 6 7 8 P(X=x) 0.1 0.1 0.2 0.2 0.4 Step 1 of 5: Find the expected valueE(X) E(X).
Consider the following data:
x 4 5 6 7 8
P(X=x) 0.1 0.1 0.2 0.2 0.4
Step 1 of 5:Find the expected valueE(X)
E(X). Round your answer to one decimal place.
Step 2 of 5:Find the variance. Round your answer to one decimal place.
Step 3 of 5:Find the standard deviation. Round your answer to one decimal place.
Step 4 of 5:Find the value of
P(X<5). Round your answer to one decimal place.
Step 5 of 5:Find the value of
P(X>7). Round your answer to one decimal place.
Consider the following data:
x 3 2 1 0 1 2
P(X=x) 0.1 0.1 0.1 0.2 0.3 0.2
Step 1 of 5:Find the expected valueE(X)
E(X). Round your answer to one decimal place.
Step 2 of 5:Find the variance. Round your answer to one decimal place.
Step 3 of 5:Find the standard deviation. Round your answer to one decimal place.
Step 4 of 5:Find the value ofP(X>1)
Round your answer to one decimal place.
Step 5 of 5:Find the value ofP(X1)
Round your answer to one decimal place.
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