A coin is tossed 7 times. The probability of getting at least 4 heads is: Option 1: 5/8 Option 2: 3/4 Option 3: 1/4 Option 4: 1/2

The answer is '1/2'. View full solution:

CUET Mathematics - A coin is tossed 7 times. The probability of getting at least 4 heads is: | PYQs + Solutions

CUET Mathematics 2022 25 May Shift 1

Algebra

Medium

$\frac{5}{8}$

$\frac{3}{4}$

$\frac{1}{4}$

$\frac{1}{2}$

✅ Correct Option: 4

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A black and a red die are rolled simultaneously. The probability of obtaining a sum greater than 9, given that the black resulted in a 5 is

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A die is thrown 4 times and getting 3 is considered a success. The probability of 2 successes is:

22 May Shift 1

A random variable X has the following probability distribution:

X	-2	-1	0	1	2	3
P(X)	0.1	0.2	k	0.3	2k	0.1

then which of the following are TRUE?

(A) $k=0.1$

(B) $P(X < 1) = 0.4$

(D) $P(0 < X < 3) = 0.5$

Choose the correct answer from the options given below: