1
MHT CET 2023 10th May Morning Shift
+2
-0

A player tosses 2 fair coins. He wins ₹5 if 2 heads appear, ₹ 2 if one head appears and ₹ 1 if no head appears. Then the variance of his winning amount in ₹ is :

A
6
B
$$\frac{5}{2}$$
C
$$\frac{9}{4}$$
D
$$\frac{17}{2}$$
2
MHT CET 2023 10th May Morning Shift
+2
-0

Three critics review a book. For the three critics the odds in favor of the book are $$2: 5, 3: 4$$ and $$4: 3$$ respectively. The probability that the majority is in favor of the book, is given by

A
$$\frac{183}{343}$$
B
$$\frac{160}{343}$$
C
$$\frac{209}{343}$$
D
$$\frac{134}{343}$$
3
MHT CET 2023 9th May Evening Shift
+2
-0

A man takes a step forward with probability 0.4 and backwards with probability 0.6 . The probability that at the end of eleven steps, he is one step away from the starting point is

A
$${ }^{11} \mathrm{C}_6(0.24)^6$$
B
$${ }^{11} \mathrm{C}_6(0.24)^5$$
C
$${ }^{11} \mathrm{C}_6(0.4)^6(0.6)^5$$
D
$${ }^{11} \mathrm{C}_6(0.4)^5(0.6)^6$$
4
MHT CET 2023 9th May Evening Shift
+2
-0

A problem in statistics is given to three students A, B and C. Their probabilities of solving the problem are $$\frac{1}{2}, \frac{1}{3}$$ and $$\frac{1}{4}$$ respectively. If all of them try independently, then the probability, that problem is solved, is

A
$$\frac{2}{3}$$
B
$$\frac{3}{4}$$
C
$$\frac{1}{3}$$
D
$$\frac{1}{4}$$
EXAM MAP
Medical
NEET