A box contains 4 red and 3 blue identical balls. If two are picked at random, one after the other without replacement, find the probability that one is red and the other is blue.

Similar Questions

Age(in years) 1 - 5 6 - 10 11 - 15 Frequency 3 5 2 Calculate the standard de...

Given that $n = 10$ and $\sum d^{2} = 20$, calculate the Spearman's rank correlation coeffic...

Forces 90N and 120N act in the directions 120° and 240° respectively. Find the resultant of ...

An operation (*) is defined on the set T = {-1, 0, ...., 5} by x * y = x + y - xy. Which of the foll...

A circular ink blot on a piece of paper increases its area at the rate $4mm^{2}/s$. Find the rate ...

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

If $^nC_2$ = 15, find the value of n...

Rationalize; $\frac{1}{\sqrt{2 + 1}}$...

The first, second and third terms of an exponential sequence (G.P) are (x - 4), (x + 2), and (3x + 1...

The function f: x $\to \sqrt{4 - 2x}$ is defined on the set of real numbers R. Find the domain of ...