Question
If a discrete random variable X follows uniform
distribution and assumes only the values 8, 9, 11, 15, 18, 20, the value of P(|X-14| < 5) will be:Solution
The correct answer is D
Class 'A' has 108 students, and the ratio of girls to boys is 1:2. If the average number of boys in classes 'A' and 'B' is 144, and the average number o...
Find the simplified value of the given expression: (1/4) of 19 x 12 - (2/5) of 135 + 42.5 x 8 - 142
How many numbers between 500 and 3000 are divisible by 13 as well as 17?
Find the simplified value of the given expression:
A bag contains 5 pink balls, 10 grey balls, and 3 brown balls. Two balls are drawn at random. Find the probability that the two balls are grey.
A train travelling at the speed of 72 km/hr crosses another train, having 20 meters less length and travelling in opposite direction at the speed of 54 ...
Difference between a number and its square root is 42. Find the number.
Two inlet pipes 'A' and 'B' can fill an empty tank in 48 minutes and 80 minutes, respectively. Another outlet pipe 'C' can empty the tank in 120 minutes...
Rs. ’P’ invested at a rate of 10% p.a. compound interest (compounded annually) amounts to Rs. 7865 at the end of 2 years. Find the simple interest e...
Three numbers are given, where one-third of the first number, two-fifths of the second number, and three-fourths of the third number are all equal. The ...
