1
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+2
-0

In a bionomial distribution, mean is 18 and variance is 12 then $p=$ ...........

A
$\frac{2}{3}$
B
$\frac{1}{3}$
C
$\frac{3}{4}$
D
$\frac{1}{2}$
2
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+2
-0

The p.d.f of a random variable $x$ is given by

$$\begin{aligned} & f(x)=\frac{1}{4 a}, \quad 00) \\ & =0 \text {, otherwise } \end{aligned}$$

and $P\left(x<\frac{3 a}{2}\right)=k P\left(x>\frac{5 a}{2}\right)$ then $k=$ ..............

A
1
B
$\frac{1}{4}$
C
$\frac{1}{8}$
D
$\frac{1}{2}$
3
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+2
-0

If three dices are thrown then the probability that the sum of the numbers on their uppermost faces to be atleast 5 is

A
$\frac{1}{53}$
B
$\frac{53}{54}$
C
$\frac{1}{54}$
D
$\frac{52}{53}$
4
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+2
-0

It is observed that $25 \%$ of the cases related to child labour reported to the police station are solved. If 6 new cases are reported, then the probability that atleast 5 of them will be solved is

A
$\left(\frac{1}{4}\right)^6$
B
$\frac{19}{1024}$
C
$\frac{19}{2048}$
D
$\frac{19}{4096}$
MHT CET Subjects
EXAM MAP