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The area under the density curve that lies to the right of 11 is 0.322. What percentage of all possible observations of the variable are at most 11?

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Parrain

Answer: 67.8%

Step-by-step explanation:

The variables that are at most 11 will lie on the left of 11.

The percentage of the possible observations to the left will be:

= 1 - percentage to the right

= 1 - 0.322

= 0.678

= 67.8%

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