CUET Mathematics - A coin is tossed K times. If the probability of getting 3 heads is equal to the probability of getting 7 heads, then the probability of getting 8 tails is : | PYQs + Solutions

CUET Mathematics

Algebra

Medium

applied

$\frac{5}{512}$

$\frac{45}{2^{21}}$

$\frac{45}{1024}$

$\frac{210}{2^{21}}$

✅ Correct Option: 3

Related questions:

30 May Shift 2

The probability of a shooter of hitting the target is $\frac{1}{4}$ . The minimum number of fire needed so that the probability of hitting the target atleast once is greater than $\frac{7}{16}$ is:

30 May Shift 2

For a random variable x, probability distribution P(x) is given by $P(x) = \frac{k}{6}(3-x), x = 0, 1, 2$ , then

Match List-I with List-II

List-I	List-II
(A) k is equal to	(i) $\frac{1}{2}$
(B) P(x = 0)	(ii) 1
(C) P(x < 2)	(iii) $\frac{1}{6}$
(D) P(1 < x ≤ 2)	(iv) $\frac{5}{6}$

Choose the correct answer from the options given below:

CUET Mathematics 2024 Slot 1

Match the options of List-I to List-II :

List-I	List-II
(A) $k$	(I) $\frac{7}{10}$
(B) $P(X < 3)$	(II) $\frac{53}{100}$
(C) $P(X > 2)$	(III) $\frac{1}{10}$
(D) $P(2 < X <7 )$	(IV) $\frac{3}{10}$

Choose the correct answer from the options given below :

CUET Mathematics PYQs

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