Calculate the probability that the product of two numbers selected at random with replacement from the set {-5,-2,4, 8} is positive

Similar Questions

Find the unit vector in the direction of $-2i + 5j$....

Find the unit vector in the direction opposite to the resultant of forces.  F$_1$ =...

Find $\lim\limits_{x \to 3} \frac{2x^{2} + x - 21}{x - 3}$....

If $P = \begin{pmatrix} 1 & 2 \\ 5 & 1 \end{pmatrix}$ and \(Q = \begin{pmatrix} 0 & 1 ...

The roots of a quadratic equation are -3 and 1. Find its equation. ...

Find the maximum value of $2 + \sin (\theta + 25)$....

The marks scored by 4 students in Mathematics and Physics are ranked as shown in the table below ...

Forces of magnitude 8N and 5N act on a body as shown above. Calculate, correct to 2 dp, the angle th...

Two bodies of masses 3kg and 5kg moving with velocities 2 m/s and V m/s respectively in opposite dir...

If $s = 3i - j$ and $t = 2i + 3j$, find $(t - 3s).(t + 3s)$....