If Z is N0, 1:, then P−2≤Z≤2:P−2≤Z≤2: is equal to:

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2 + 9 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

If Z is N0, 1:, then P−2≤Z≤2:P−2≤Z≤2: is equal to:

0.98

0.99

0.95

0.9545