STATISTICS - Jamb Mathematics Past Questions and Answers

Question 196:

• JAMB 2000

If the population of a town was 240,000 in January 1998 and it increased by 2% each year, what would be the population of the town in January, 2000?

A. 480,000
B. 249,696
C. 249,600
D. 244,800

Question 197:

• JAMB 2000

In a youth club with 94 members, 60 like modern music, and 50 like traditional music. The number of members who like both traditional and modern music is three times those who do not like any type of music. How many members like only one type of music?

A. 8
B. 24
C. 62
D. 86

Question 198:

• JAMB 2000

X and Y are two events. The probability of X or Y is 0.7 and that of X is 0.4. If X and Y are independent, find the probability of Y.

A. 0.30
B. 0.50
C. 0.57
D. 1.80

Question 199:

• JAMB 2000

If the mean of the numbers 0, (x+2), (3x+6), and (4x+8) is 4, find their mean deviation.

B. 2
C. 3
D. 4

Question 200:

• JAMB 2000

Given that the various faces of a fair dice 1, 2, 3, 4, 5, 6 appeared 30, 43, 54, 40, 41, 32 times respectively in a single toss. Picture the figures as being represented in a simple table with number (X) against frequency (f).
If a pie chart is used to depict the data, the angle corresponding to 4 is?

A. 10°
B. 16°
C. 40°
D. 60°