Question 50
Number |
1 |
2 |
3 |
4 |
5 |
6 |
Frequency |
12 |
20 |
x |
Number |
1 |
2 |
3 |
4 |
5 |
6 |
Frequency |
12 |
20 |
x |
The histogram above shows the ages of the victims of pollution. How many people were involved in the pollution?
The mean of the numbers 3, 6, 4,x, and 7 is 5. Find the standard deviation.
Find the number of committees of three that can be formed consisting of two men and one woman from men and three women.
If $^{n}{{P}_{3}}-6{{(}^{n}}{{C}_{4}})=0,$ find the value of n
Two dice are thrown. What is the probability that the sum of the number is divisible by 3
On a pie chart, there are four sector of which three angles are 45^{o}, 90^{o}, and 135^{o}. If the smallest sector represent N28.00. How much is the largest sector.
Value |
0 |
1 |
2 |
3 |
4 |
Frequency |
1 |
2 |
2 |
1 |
9 |
Find the mean of the distribution above
The range of 4, 3 11, 9, 6, 15, 19, 23, 27, 24, 21 and 16 is