STATISTICS - Jamb Mathematics Past Questions and Answers

Question 261:

• JAMB 2006

For what of n is ⁿ⁺¹C₃ = 4(ⁿC₃)?

A. 6
B. 5
C. 4
D. 3

Question 262:

• JAMB 2006

The response of 160 pupils in a school asked to indicate their favourite subjects is given in the bar chart above. What percentage of the pupils have English and Health education as the their favourite subjects?

A. 55%
B. 52%
C. 36%
D. 22%

Question 263:

• JAMB 2007

If 5, 8, 6 and 2 occur with frequencies 3, 2, 4 and 1 respectively. Find the product of the modal and the median number

A. 36
B. 48
C. 30
D. 40

Question 264:

• JAMB 2007

If 5, 8, 6 and 2 occur with frequencies 3, 2, 4 and 1 respectively. Find the product of the modal and the median number

A. 36
B. 48
C. 30
D. 40

Question 265:

• JAMB 2007

In a basket, there are 6 grapes, 11 bananas and 13 oranges. If one fruit is chosen at random. What is the probability that the fruit is either a grape or a banana

A. ⁶/₃₀
B. ⁵/₃₀
C. ¹⁷/₃₀
D. ¹¹/₃₀