Question

In: Statistics and Probability

x −4 −3 −2 −1 0 P(X=x) 0.2 0.1 0.3 0.2 0.2 Step 1 of 5:...

x −4 −3 −2 −1 0 P(X=x) 0.2 0.1 0.3 0.2 0.2

Step 1 of 5: Find the expected value 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>−1)P(X>−1). Round your answer to one decimal place.

Step 5 of 5:

Find the value of P(X≤−1)P(X≤−1). Round your answer to one decimal place.

Expert Solution


-4	0.2	-0.8	16	3.2
-3	0.1	-0.3	9	0.9
-2	0.3	-0.6	4	1.2
-1	0.2	-0.2	1	0.2
0	0.2	0	0	0

Round to one decimal place.

orchestra answered 1 year ago

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