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
In a company, the average number of employees named Amit and Chinky is 25. The number of Chinky's name employees is 50% higher than the number of Amit's...
There are 5 consecutive odd and 3 consecutive even numbers. The sum of five consecutive odd numbers is 140 and the lowest even number is 4 more than the...
In an office, the average weight of women is 34 kg and the average weight of men is 30 kg. If the number of women is three times the number of men, what...
A set contains ten numbers. The average of the first six numbers is (x - 2), and the average of the last three numbers is (x + 4). The average of the en...
- The average salary of X, Y, and Z is Rs. 22000 and the average salary of P and Q is Rs. 15000. If the savings of X is 60% of the average salary of all five...
- The average value of the property of Dev, Riya and Tanmay is Rs. 87 lacs. The value of the property of Dev is Rs. 33 lacs less than that of Riya, and Rs. 1...
The average age of 21 girls is 43 years. If the age of two more girls is added the average decreases by three years. What is the sum of the age of new g...
There are three numbers such that when the average of any of the two numbers is added with the third number, sum obtained will be 130, 142 and 154. Find...
- In a city, the average rainfall for the first five days of a week was 98 cm, while the average rainfall for the last five days was 105 cm. If the average r...
P's average monthly spending for the first 7 months is ₹1200, and for the following 5 months, it increases to ₹1500. Additionally, he manages to sav...
