Match the LIST-I with LIST-IILIST-I (Standard Normal Variate) LIST-II (Probability) A. −1 ≤ Z ≤ +1 I. ~ 0.5 B. −1 ≤ Z ≤ +2 II. ~ 0.16 C. −∞ < Z ≤ 0 III. ~ 0.68 D. −∞ < Z ≤ −1 IV. ~ 0.82
Choose the correct answer from the options given below:सूची-I को सूची-II से सुमेलित कीजिएसूची-I (मानक सामान्य चर) सूची-II (प्रायिकता) A. −1 ≤ Z ≤ +1 I. ~ 0.5 B. −1 ≤ Z ≤ +2 II. ~ 0.16 C. −∞ < Z ≤ 0 III. ~ 0.68 D. −∞ < Z ≤ −1 IV. ~ 0.82
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Correct answer: C. A-III, B-IV, C-I, D-II
Explanation
Area within ±1 SD ≈ 0.68 (A-III). From −1 to +2 ≈ 0.34 + 0.475 ≈ 0.82 (B-IV). Everything below the mean = 0.5 (C-I). Below −1 = 0.5 − 0.34 ≈ 0.16 (D-II). So A-III, B-IV, C-I, D-II.±1 SD के भीतर क्षेत्रफल ≈ 0.68 (A-III)। −1 से +2 तक ≈ 0.34 + 0.475 ≈ 0.82 (B-IV)। माध्य से नीचे पूरा क्षेत्र = 0.5 (C-I)। −1 से नीचे = 0.5 − 0.34 ≈ 0.16 (D-II)। अतः A-III, B-IV, C-I, D-II।More Research Aptitude questions
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