A: Let u=1+cosx, du=−sinxdx. Result: −log∣1+cosx∣+C (III).
B: Write as cosx−sinxcosx, split. Result: 2x−21log∣cosx−sinx∣+C (IV).
C: Let u=tan−1x. Result: etan−1x+c (I).
D: Let u=1+logx. Result: log∣1+logx∣+C (II).
From a population having a mean of 20 and standard deviation 2, a random sample of size 64 is taken and its mean is found to be 19.5. The test…
CUET UG 2023 — Mathematics Applied-Mathematics
2023mcqeasy
From a population having a mean of 20 and standard deviation 2, a random sample of size 64 is taken and its mean is found to be 19.5. The test statistic to test that the sample is taken from the population is
Official previous-year question
Held on 25 May 2023 · Verified 13 Jul 2026.
Options
- A
2
- B
−2
- C
−0.5
- D
0.25
Did you get this right?
Sign in to track your attempts and accuracy.
Your note
Sign in to keep a private note on this question. Nothing you write is ever public.
CUET UG Applied-Mathematics in other years
More CUET UG Applied-Mathematics questions
If $y = e^{\frac{1}{2}\log(1+ \tan^2 x)}$, then $\frac{d^2y}{dx^2}$ is equal to:
2025medium
If the total cost and total revenue of a company that produces and sells $x$ units of a particular product are $C(x) = 5x + 350$ and $R(x) = 50x - x^2$ respectively, then which of the following is/are the breakeven values: (A) $x = 10$ (B) $x = 25$ (C) $x = 45$ (D) $x = 30$ Choose the correct answer from the options given below:
2025medium
The supply function of a commodity is P = $x^3+2x+18$. When 4 units of commodity are sold , then producer surplus is:
2025medium
If the random variable X follows the Poisson distribution such that P[X = k] = P[X = k+1], then the mean value of X is:
2025medium
The demand function P for maximising a profit monopolist is given by P=274-x², while the marginal cost is 4+3x for x units of commodity. The consumer surplus is
2025hard
Other Mathematics topics for CUET UG
Keep practicing Applied-Mathematics
Work through every CUET UG Applied-Mathematics PYQ, year by year.