1
KCET 2019
MCQ (Single Correct Answer)
+1
-0

If '$$X$$' has a binomial distribution with parameters $$n=6, p$$ and $$P(X=2)=12$$, $$P(X=3)=5$$ then $$P=$$

A
$$\frac{1}{2}$$
B
$$\frac{5}{12}$$
C
$$\frac{5}{16}$$
D
$$\frac{16}{21}$$
2
KCET 2019
MCQ (Single Correct Answer)
+1
-0

A man speaks truth 2 out of 3 times. He picks one of the natural numbers in the set $$S=\{1,2,3,4,5,6,7\}$$ and reports that it is even. The probability that is actually even is

A
$$\frac{1}{10}$$
B
$$\frac{2}{5}$$
C
$$\frac{3}{5}$$
D
$$\frac{1}{5}$$
3
KCET 2018
MCQ (Single Correct Answer)
+1
-0
A bag contains 17 tickets numbered from 1 to 17. A ticket is drawn at random, then another ticket is drawn without replacing the first one. The probability that both the tickets may show even numbers is
A
$\frac{7}{34}$
B
$\frac{8}{17}$
C
$\frac{7}{16}$
D
$\frac{7}{17}$
4
KCET 2018
MCQ (Single Correct Answer)
+1
-0
A flashlight has 10 batteries out of which 4 are dead. If 3 batteries are selected without replacement and tested, then the probability that all 3 are dead is
A
$\frac{1}{30}$
B
$\frac{2}{8}$
C
$\frac{1}{15}$
D
$\frac{1}{10}$
KCET Subjects
EXAM MAP