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Normal Distribution · Question 39 of 68

Question 39

MediumOriginal question

Given P(0<Z<1.2)=0.3849P(0 < Z < 1.2) = 0.3849, what is P(Z>1.2)P(Z > 1.2)?

Options for question 39

Show the answer and explanation
CorrectNot quiteAnswer A

Correct answer: A

Explanation

  1. The right half has area 0.5, of which 0.3849 lies between 0 and 1.2.

  2. 0.5−0.3849=0.11510.5 - 0.3849 = 0.1151.

Worth noting

0.6151 takes 0.3849 from 1, but it is measured from 0, not from the far left.

Concept
The area in a tail
Typical time
90 s
Your time
—
The rule this testsAreas under the curve
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Ten questions from Normal Distribution, at your own pace.

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