Arrange the following intervals of standard normal variate in increasing order of probabilities.
A. 0 < Z < +1
B. +1 < Z < +2
C. +2 < Z < +3
D. +3 < Z < +∞
Choose the correct answer from the options given below:मानक प्रसामान्य चर (Standard normal variate) के निम्नलिखित अंतरालों को उनकी प्रायिकताओं के बढ़ते क्रम में व्यवस्थित कीजिए।
A. 0 < Z < +1
B. +1 < Z < +2
C. +2 < Z < +3
D. +3 < Z < +∞
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Correct answer: A. D, C, B, A
Explanation
Areas under the standard normal curve: 0 to 1 ≈ 0.3413, 1 to 2 ≈ 0.1359, 2 to 3 ≈ 0.0214, beyond 3 ≈ 0.0013. Increasing order is D, C, B, A.मानक प्रसामान्य वक्र के अंतर्गत क्षेत्रफल: 0 से 1 ≈ 0.3413, 1 से 2 ≈ 0.1359, 2 से 3 ≈ 0.0214, 3 से आगे ≈ 0.0013। बढ़ता क्रम D, C, B, A है।More Research Aptitude questions
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