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:
