STATISTICS - Jamb Mathematics Past Questions and Answers

Question 11:

• JAMB 2019

Marks	1	2	3	4	5
Frequency	2y - 2	y - 1	3y - 4	3 - y	6 - 2y

The table above is the distribution of data with mean equals to 3. Find the value of y.

A. 5
B. 2
C. 3
D. 6

Question 12:

• JAMB 2019

The histogram above represents the number of candidates who did Further Mathematics examination in a school. How many candidates scored more than 40?

A. 100
B. 79
C. 150
D. 90

Question 13:

• JAMB 2018

If X, Y can take values from the set (1, 2, 3 ,4), find the probability that the product of X and Y is not greater than 6

A. \(\frac{5}{8}\)
B. \(\frac{5}{16}\)
C. \(\frac{1}{2}\)
D. \(\frac{3}{8}\)

Question 14:

• JAMB 2018

The pie chart shows the monthly expenditure of a public servant. The monthly expenditure on housing is twice that of school fees. How much does the worker spend on housing if his monthly income is #7200?

A. #1000
B. #2000
C. #3000
D. #4000

Question 15:

• JAMB 2018

Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?

A. 210
B. 1050
C. 21400
D. 25200