A box contains 5 red, 6 green and 7 yellow pencils of the...
A box contains 5 red, 6 green and 7 yellow pencils of the same size. What is the probability of picking a green pencil at random?
\(\frac{1}{6}\)
\(\frac{1}{4}\)
\(\frac{1}{3}\)
\(\frac{1}{2}\)
Correct answer is C
Pr(green) = \(\frac{6}{5 + 6 + 7}\)
= \(\frac{6}{18}\)
= \(\frac{1}{3}\)
Which of the following is represented by the above sketch? ...
Find the value of x satisfying \(\frac{x}{2}\) - \(\frac{1}{3}\) < \(\frac{2x}{5}\) + \(\frac{1}{...
If y = x sin x, find \(\frac{\delta y}{\delta x}\)...
Find the value of k such that \(t^2\) + kt + \(\frac{25}{4}\) is a perfect square...
In how many ways can 3 seats be occupied if 5 people are willing to sit?...
Divide 1101001\(_{two}\) by 101\(_{two}\)...
At what points does the straight line y = 2x + 1 intersect the curve y = 2x2 + 5x - 1? ...
Which of the following is in descending order?...
Which of the following angular inequalities defines an obtuse angle? ...