1
KCET 2022
MCQ (Single Correct Answer)
+1
-0

If $$A$$ and $$B$$ are two independent events such that $$P(\bar{A})=0.75, P(A \cup B)=0.65$$ and $$P(B)=x$$, then find the value of $$x$$.

A
$$\frac{5}{14}$$
B
$$\frac{8}{15}$$
C
$$\frac{9}{14}$$
D
$$\frac{7}{15}$$
2
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Given that, $$A$$ and $$B$$ are two events such that $$P(B)=\frac{3}{5}, P\left(\frac{A}{B}\right)=\frac{1}{2}$$ and $$P(A \cup B)=\frac{4}{5}$$, then $$P(A)$$ is equal to

A
$$\frac{3}{10}$$
B
$$\frac{1}{2}$$
C
$$\frac{1}{5}$$
D
$$\frac{3}{5}$$
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

If $$A, B$$ and $$C$$ are three independent events such that $$P(A)=P(B)=P(C)=P$$, then $$P$$ (at least two of $$A, B$$ and $$C$$ occur) is equal to

A
$$P^3-3 P$$
B
$$3 P-2 P^2$$
C
$$3 P^2-2 P^3$$
D
$$3 P^2$$
4
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Two dice are thrown. If it is known that the sum of numbers on the dice was less than 6 the probability of getting a sum as 3 is

A
$$\frac{1}{18}$$
B
$$\frac{5}{18}$$
C
$$\frac{1}{5}$$
D
$$\frac{2}{5}$$
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