1
AP EAPCET 2022 - 4th July Evening Shift
+1
-0

Five digit numbers are formed by using digits $$1,2,3,4$$ and 5 without repetition. Then, the probability that the randomly chosen number is divisible by 4 is

A
$$\frac{1}{5}$$
B
$$\frac{5}{6}$$
C
$$\frac{4}{5}$$
D
$$\frac{1}{6}$$
2
AP EAPCET 2022 - 4th July Evening Shift
+1
-0

A manager decides to distribute ₹ 20000 between two employees $$X$$ and $$Y$$. He knows $$X$$ deserves more than $$Y$$, but does not know how much more. So, he decides to arbitrarily break ₹ 20000 into two parts and give $$X$$ the bigger part. Then, the chance that $$X$$ gets twice as much as $$Y$$ or more is

A
$$2 / 5$$
B
$$1 / 2$$
C
$$1 / 3$$
D
$$2 / 3$$
3
AP EAPCET 2022 - 4th July Evening Shift
+1
-0

Which of the following is not a property of a Binomial distribution?

A
Random experiment consists of a sequence of $n$ identical trials.
B
Each outcome can be referred to as a success or a failure.
C
The probabilities of the two outcomes can change from one trial to the next.
D
The trials are independent.
4
AP EAPCET 2022 - 4th July Evening Shift
+1
-0

In a Binomial distribution $$B(n, p)$$, if the mean and variance are 15 and 10 respectively, then the value of the parameter $$n$$ is

A
28
B
16
C
45
D
25
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Medical
NEET