200+ Probability-and-statistics Questions

Probability-and-statistics Questions Set 18:

Quiz Mode

If the Mean of two positive numbers is 5, then what is the maximum range possible?

Solution:

The value that occurs the most frequently in a data set is known as the ________

Median

Mode

Mean

Range

Solution:

Two dice are tossed. The probability that the total score is a prime number is:

5 / 36

7 / 36

5 / 12

3 / 14

Solution:

The sum of Mean, Median and Mode of following data is
{ 2, 4, 7, 3, 8, 9, 3, 1, 10, 6, 5}

12.1

13.2

13.9

14.3

Solution:

The average of 5 numbers is 6. The average of 3 of them is 8. What is the average of the remaining two numbers ?

Solution:

If P, T, R are Mean, Median and Mode respectively of following data :
4 , 5 , 6 , 6 , 9
then the value of P² + T² + R² - PR is ______

Solution:

In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?

1 / 7

3 / 7

2 / 7

4 / 7

Solution:

The average (arithmetic mean) of two numbers x and y is 15. If x, y, and z are non-negative integers such that x < z < y, what is the minimum possible average of x, y and z?

31/3

32/3

Solution:

A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500 ?

Rs. 4991

Rs. 6991

Rs. 5991

Rs. 5001

Solution:

In a rowing team, the weight of 8 women, in kilograms, is:
{ 63, 60, 57, 66, 62, 65, 69, 58 }
In order to be a more competitive team, the coach has said that each team member should try to increase their overall muscle mass which will result in a 2% gain in overall body weight.
What will be the mean weight of the team if all 8 are successful in precisely meeting this 2% weight gain?

63.75

65.54

64.76

Probability-and-statistics Questions Set 18:

If the Mean of two positive numbers is 5, then what is the maximum range possible?

Solution:

The value that occurs the most frequently in a data set is known as the ________

Solution:

Two dice are tossed. The probability that the total score is a prime number is:

Solution:

The sum of Mean, Median and Mode of following data is
{ 2, 4, 7, 3, 8, 9, 3, 1, 10, 6, 5}

Solution:

The average of 5 numbers is 6. The average of 3 of them is 8. What is the average of the remaining two numbers ?

Solution:

If P, T, R are Mean, Median and Mode respectively of following data :
4 , 5 , 6 , 6 , 9
then the value of P² + T² + R² - PR is ______

Solution:

In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?

Solution:

The average (arithmetic mean) of two numbers x and y is 15. If x, y, and z are non-negative integers such that x < z < y, what is the minimum possible average of x, y and z?

Solution:

A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500 ?

Solution:

Solution:

Related Question Sets:

Related Topics:

Probability-and-statistics Questions Set 18:

If the Mean of two positive numbers is 5, then what is the maximum range possible?

Solution:

The value that occurs the most frequently in a data set is known as the ________

Solution:

Two dice are tossed. The probability that the total score is a prime number is:

Solution:

The sum of Mean, Median and Mode of following data is{ 2, 4, 7, 3, 8, 9, 3, 1, 10, 6, 5}

Solution:

The average of 5 numbers is 6. The average of 3 of them is 8. What is the average of the remaining two numbers ?

Solution:

If P, T, R are Mean, Median and Mode respectively of following data :4 , 5 , 6 , 6 , 9then the value of P2 + T2 + R2 - PR is ______

Solution:

In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?

Solution:

The average (arithmetic mean) of two numbers x and y is 15. If x, y, and z are non-negative integers such that x < z < y, what is the minimum possible average of x, y and z?

Solution:

A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500 ?

Solution:

Solution:

Related Question Sets:

Related Topics:

The sum of Mean, Median and Mode of following data is
{ 2, 4, 7, 3, 8, 9, 3, 1, 10, 6, 5}

If P, T, R are Mean, Median and Mode respectively of following data :
4 , 5 , 6 , 6 , 9
then the value of P² + T² + R² - PR is ______