STATISTICS - Jamb Mathematics Past Questions and Answers

Question 26:

• JAMB 2017

Find the range of the following set of numbers 0.4, −0.4, 0.3, 0.47, −0.53, 0.2 and −0.2

A. 1.03
B. 0.07
C. 0.03
D. 1.0

Question 27:

• JAMB 2017

In how many ways can the word MATHEMATICS be arranged?

A. \(\frac{11!}{9!2!}\)
B. \(\frac{11!}{9!2!2!}\)
C. \(\frac{11!}{2!2!2!}\)
D. \(\frac{11!}{2!2!}\)

Question 28:

• JAMB 2017

Find the number of ways that the letters of the word EXCELLENCE be arranged

A. \(\frac{10!}{2!2!2!}\)
B. \(\frac{10!}{4!2!}\)
C. \(\frac{10!}{4!2!2!}\)
D. \(\frac{10!}{2!2!}\)

Question 29:

• JAMB 2017

Find the sum of the range and the mode of the set of numbers 10, 9, 10, 9, 8, 7, 7, 10, 8, 10, 8, 4, 6, 9, 10, 9, 7, 10, 6, 5

A. 16
B. 14
C. 12
D. 10

Question 30:

• JAMB 2017

If U = {x : x is an integer and 1 ≤ x ≤ 20 }
E1 = {x: x is a multiple of 3}
E2 = {x: x is a multiple of 4} and an integer is picked at random from U, find the probability that it is not in E2

A. \(\frac{3}{4}\)
B. \(\frac{3}{10}\)
C. \(\frac{1}{4}\)
D. \(\frac{1}{20}\)