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

x −5 −4 −3 −2 −1
P(X=x) 0.2 0.1 0.3 0.1 0.3

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> ?6). Round your answer to one decimal place.

Math   Statistics-And-Probability   
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