## Question 50

A number is chosen at random from 10 to 30 inclusive, what is the probability that the number is divisible by 3

A number is chosen at random from 10 to 30 inclusive, what is the probability that the number is divisible by 3

Numbers |
1 |
2 |
3 |
4 |
5 |
6 |

Frequency |
18 |
22 |
20 |
16 |
10 |
14 |

The table above represent the outcome of throwing a die 100 times. What is the probability of obtaining at least a 4

In how many ways can a team of 3 girls be selected from 7 girls?

Calculate the standard deviation of 5, 4, 3, 2 and 1

Find the median of 5, 9, 1, 10, 3, 8, 9, 2, 4, 5, 5, 7, 3 and 6

Values |
0 |
1 |
2 |
3 |
4 |

Frequency |
1 |
2 |
2 |
1 |
9 |

Find the mode of the distribution above

The mean of 2 – *t*, 4 – *t*, 3 – 2*t*, 2 + *t* and *t* –1 is

The pie chart above shows the monthly distribution of a man’s salary on food items. If he spent N8000 on rice, how much did he spend on yam?

Evaluate $\int{{{(2x+3)}^{\tfrac{1}{2}}}dx}$

Evaluate $\int{\sin 2xdx}$