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Mathematics
List of top Mathematics Questions on Probability and Statistics asked in NIMCET
For a given sample the computed values of variance and fourth central moment are \(3\) and \(63\) respectively. Then underlying frequency distribution is classified as:
NIMCET - 2026
NIMCET
Mathematics
Probability and Statistics
Let \(X\) and \(Y\) be two independent identically distributed Bernoulli random variables with \[ P(X=1)=\frac12, \qquad P(X=0)=\frac12. \] If \(Z=XY\), then distribution of \(Z\) is:
NIMCET - 2026
NIMCET
Mathematics
Probability and Statistics
Find Mode
NIMCET - 2026
NIMCET
Mathematics
Probability and Statistics
The distance (in meter) for 7 throws of a shotputter are \(14.5,15.2,16.8,17.1,15.9,16.3,14.7\). Calculate sample mean and sample standard deviation.
NIMCET - 2026
NIMCET
Mathematics
Probability and Statistics
Which one of the following is NOT a correct statement?
NIMCET - 2025
NIMCET
Mathematics
Probability and Statistics
The number of accidents per week in a town follows a Poisson distribution with mean 2. If the probability that there are three accidents in two weeks time is \( k e^{-6} \), then the value of \( k \) is:
NIMCET - 2025
NIMCET
Mathematics
Probability and Statistics
The scores of students in a national level examination are normally distributed with a mean of 500 and a standard deviation of 100. If the value of the cumulative distribution of the standard normal random variable at 0.5 is 0.691, then the probability that a randomly selected student scored between 450 and 500 is:
NIMCET - 2025
NIMCET
Mathematics
Probability and Statistics
The mean of 5 observations is 5 and their variance is 124. If three of the observations are 1, 2, and 6, then the mean deviation from the mean of the data is:
NIMCET - 2023
NIMCET
Mathematics
Probability and Statistics
The 10th and 50th percentiles of the observation 32, 49, 23, 29, 118 respectively are
NIMCET - 2022
NIMCET
Mathematics
Probability and Statistics
The first three moments of a distribution about 2 are 1, 16, -40 respectively. The mean and variance of the distribution are
NIMCET - 2022
NIMCET
Mathematics
Probability and Statistics