Two dice are tossed. What is the probability that the tot...
Two dice are tossed. What is the probability that the total score is a prime number.
\(\frac{5}{12}\)
\(\frac{5}{9}\)
\(\frac{1}{6}\)
\(\frac{1}{3}\)
Correct answer is A
Total possible outcome = 6 x 6 = 36
Required outcome = 15
∴ Pr(E) = \(\frac{15}{36} = \frac{5}{12}\)
The table below gives the distribution of marks obtained by a number of pupils in a class test. F...
Find the value of a if the line 2y - ax + 4 = 0 is perpendicular to the line y + (x/4) - 7 = 0 ...
In the diagram above, O is the center of the circle. If ∠POR = 114o, calculate ∠PQR ...
Given that m = -3 and n = 2 find the value of \(\frac{3n^2 - 2m^3}{m}\)...
A man's eye level is 1.7m above the horizontal ground and 13m from a vertical pole. If the pole ...
In proving the congruence of two triangles, which of the following is not important?...