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Which of the following are the properties of Normal Distribution function f(x) and Normal probability curve: (A) The probability of success remains…

CUET UG 2025 — Mathematics Algebra

2025mcqmedium

Which of the following are the properties of Normal Distribution function f(x) and Normal probability curve:

(A) The probability of success remains the same in each trial and the number of trials is small in number.
(B) The curve is bell-shaped and is symmetrical about the mean.
(C) If set of n trials are repeated N times, then frequency f(r) of r successes is given by f(r) = N.p(r) = Ne−mmrr!e^{-m\frac{m^r}{r!}}e−mr!mr​, r=0,1,2,...
(D) As x increases numerically, f(x) decreases rapidly and the maximum value of f(x) occurs at x=μ(mean)

Choose the correct answer from the options given below:

Official previous-year question

Held on 26 May 2025 · Verified 13 Jul 2026.

Options

  1. A

    (A), (B) and (C) only

  2. B

    (B), (C) and (D)only

  3. C

    (B) and (D) only

  4. D

    (A) only

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