Select the correct mirror image of the given combination when the mirror is placed at ‘AB’ as shown.
The correct answer is C
For the data set
X: 1 2 3 4 ...
The variance of degenerate random variable is:
A random sample of size 225 is drawn from the population of mean μ and standard deviation σ. The sample mean follows the distribution with mean 100 a...
Which of the following statements is INCORRECT?
If X and Y represent waiting time and service time of customers in shopping mall, have joint destiny f(x, y) = kx; 0 ≤ y ≤ x ≤ 1, then the value ...
From standard pack of 52 cards, 3 cards are drawn at random without replacement. The probability of drawing a king, a queen and a jack in order is
If the first, second and third moment about origin are 2, 8 and 14. respectively, then Karl Pearson gamma coefficient of skewness y1 is:
Which of the following is NOT a way of the sampling?
With reference to analysis of variance. which of the following statements is/are correct?
(I) Change of origin will affect the value of F...
For the study purpose, the mean of the observations is 148 gm and standard deviation is 17.4 gm. Approximately, the coefficient of variation equals to: