x -7 -6 -5 -4 -3

P(X=x) 0.2 0.1 0.2 0.1 0.4

Step 1: Find the expected value E(X). Round your answer to one decimal place.

Step 2: Find the variance. Round your answer to one decimal place.

Step 3: Find the standard deviation. Round your answer to one decimal place.

Step 4: Find the value of P(X>-5). Round your answer to one decimal place.

Step 5: Find the value of P(X-6). Round your answer to one decimal place.