Question
If the perimeter of an isosceles right triangle is 8
(√ 2 +1) cm, then the length of the hypotenuse of the triangle is:Solution
The correct answer is D
Let x and y be two variables with variance as 1990 and 796 with 11 and 9 number of observations respectively. The value of F(10, 8) at 5% level of sign...
The value of k so that following is probability mass function
X:           -2           -1           0  �...
For completely randomized design for k treatments and n observations, yif = response from the jth unit receiving ith treatment, �...
A dice was thrown 400 times and 'six' resulted 80 times. The data is used to justify the hypothesis of an unbiased dice at 95% confidence. With referen...
If Z1, Z2,…Zn are n independent standard normal variates, then Σni=1 Z2i will follow:
The mode (correct to two decimal places) for the given data is:
Which option is incorrect for the component of ti.me series.
 X and Y are independent normal variables with mean 50 and 80 respectively and standard deviation as 4 and 3 respectively. What is the distribution o...
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