STATISTICS - Jamb Mathematics Past Questions and Answers

Question 206:

• JAMB 2001

Given the scores: 4, 7, 8, 11, 13, 8 with corresponding frequencies: 3, 5, 2, 7, 2, 1 respectively. The mean score is

A. 7.0
B. 8.7
C. 9.5
D. 11.0

Question 207:

• JAMB 2001

Teams P and Q are involved in a game of football. What is the probability that the game ends in a draw?

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

Question 208:

• JAMB 2001

If ⁶P_r = 6, find the value of ⁶P_r+1

A. 30
B. 33
C. 35
D. 15

Question 209:

• JAMB 2001

Find the variance of 2, 6, 8, 6, 2 and 6

A. 6
B. 5
C. √6
D. √5

Question 210:

• JAMB 2001

Find the number of ways of selecting 8 subjects from 12 subjects for an examination

A. 490
B. 495
C. 496
D. 498