1
MHT CET 2022 11th August Evening Shift
+2
-0

The incidence of occupational disease in an industry is such that the workmen have a $$10 \%$$ chance of suffering from it. The probability that out of 5 workmen, 3 or more will contract the disease is

A
0.000856
B
0.856
C
0.0000856
D
0.00856
2
MHT CET 2022 11th August Evening Shift
+2
-0

If $$P(A \cup B)=0.7, P(A \cap B)=0.2$$, then $$P\left(A^{\prime}\right)+P\left(B^{\prime}\right)$$ is

A
1.1
B
1.6
C
1.8
D
0.6
3
MHT CET 2022 11th August Evening Shift
+2
-0

Two cards are drawn successively with replacement from a well shuffled pack of 52 cards. Then mean of number of kings is

A
$$\frac{4}{169}$$
B
$$\frac{1}{13}$$
C
$$\frac{1}{169}$$
D
$$\frac{2}{13}$$
4
MHT CET 2021 24th September Evening Shift
+2
-0

The probability that at least one of the events $$E_1$$ and $$E_2$$ occurs is 0.6. If the simultaneous occurrence of $$\mathrm{E}_1$$ and $$\mathrm{E}_2$$ is $$0.2, \mathrm{P}\left(\mathrm{E}_1^{\prime}\right)+\mathrm{P}\left(\mathrm{E}_2^{\prime}\right)=$$

A
0.4
B
1.6
C
1.2
D
0.8
EXAM MAP
Medical
NEET