Marks 5-7 8-10 11-13 14-16 17-19 20-22 No of students 4 7 26 41 14…
Marks 5-7 8-10 11-13 14-16 17-19 20-22 No of students 4 7 26 41 14 8 The table…
Find the standard deviation of the numbers 3,6,2,1,7 and 5.
Find the standard deviation of the numbers 3,6,2,1,7 and 5. A. 2.00 B. 2.16 C. 2.50 D. 2.56…
In how many ways can 3 prefects be chosen out of 8 prefects?
In how many ways can 3 prefects be chosen out of 8 prefects? A. 6 B. 24 C.…
The probability that Kofi and Ama hit a target in a shooting competition are (frac{1}{6})…
The probability that Kofi and Ama hit a target in a shooting competition are (frac{1}{6}) and (frac{1}{9}) respectively.…
The mean of 2, 5, (x + 2), 7 and 9 is 6. Find the…
The mean of 2, 5, (x + 2), 7 and 9 is 6. Find the median. A. 5.5…
Find the equation of a circle with centre (-3, -8) and radius (4sqrt{6}).
Find the equation of a circle with centre (-3, -8) and radius (4sqrt{6}). A. (x^{2} – y^{2} –…
Determine the coefficient of (x^{2}) in the expansion of ((a + 3x)^{6}).
Determine the coefficient of (x^{2}) in the expansion of ((a + 3x)^{6}). A. (18a^{2}) B. (45a^{4}) C. (135a^{4})…
Evaluate (frac{1}{1 – sin 60°}), leaving your answer in surd form.
Evaluate (frac{1}{1 – sin 60°}), leaving your answer in surd form. A. (1 – sqrt{3}) B. (2 –…
The fourth term of a geometric sequence is 2 and the sixth term is 8….
The fourth term of a geometric sequence is 2 and the sixth term is 8. Find the common…
What percentage increase in the radius of a sphere will cause its volume to increase…
What percentage increase in the radius of a sphere will cause its volume to increase by 45%? A.…