STATISTICS - Jamb Mathematics Past Questions and Answers

Question 21:

• JAMB 2018

In how many ways can the letters LEADER be arranged?

A. 72
B. 144
C. 360
D. 720

Question 22:

• 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 N7200?

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

Question 23:

• JAMB 2018

The probabilities that John and James pass an examination are \(\frac {3}{4}\)and \(\frac {3}{5}\) respectively. Find the probability of both boys failing the examination.

A. \(\frac {1}{10}\)
B. \(\frac {2}{10}\)
C. \(\frac {9}{20}\)
D. \(\frac {11}{20}\)

Question 24:

• JAMB 2018

The table shown gives the marks scored by a group of student in a test.
Use the table to answer the question given.

Mark	0	1	2	3	4	5
Frequency	1	2	7	5	4	3

What is the median mark?

A. 1
B. 2
C. 3
D. 4

Question 25:

• JAMB 2018

The table shown gives the marks scored by a group of student in a test.
Use the table to answer the question given.

Mark	0	1	2	3	4	5
Frequency	1	2	7	5	4	3

What is the probability of selecting a student from the group that scored 2 or 3

A. \(\frac{1}{11}\)
B. \(\frac{5}{22}\)
C. \(\frac{7}{22}\)
D. \(\frac{6}{11}\)