Marks | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
No of students | 5 | 7 | 9 | 6 | 3 | 6 | 4 |
The table above shows the distribution of marks by some candidates in a test. If a student is selected at random, what is the probability that she scored at least 6 marks?
340
14
1340
2740
Correct answer is C
No explanation has been provided for this answer.
Find the value of x for which 6√4x2+1 = 13x, where x > 0...
Evaluate \(\begin{pmatrix} 2 & 3 \\ 4 & 1 \end{pmatrix} \begin{pmatrix} 2 \\ 3 \end{pmatrix}...
Find the constant term in the binomial expansion (2x2+1x)9...
Find the axis of symmetry of the curve y=x2−4x−12....
A binary operation * is defined on the set of real numbers, by a∗b=ab+ba...
The sum of the first n terms of a linear sequence is Sn=n2+2n. Determine the general t...
Given \sin \theta = \frac{\sqrt{3}}{2}, 0° \leq \theta \leq 90°, find \(\tan 2\the...
If 2, (k+1), 8,... form an exponential sequence (GP), find the values of k...