You visited us 1 times! Enjoying our articles? Unlock Full Access!

Probability

The probabili...

Question

The probability distribution of X is -

X 0 1 2 3

P(X) 0.3 k 2k 2k

The value of k is

0.14

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

0.3

No worries! We‘ve got your back. Try BYJU‘S free classes today!

0.7

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A 0.14
$\sum P (X) = 1 \Rightarrow 0.3 + 5 k = 1 \Rightarrow k = \frac{0.7}{5} = 0.14$

Suggest Corrections

Similar questions

The probability distribution of x is

$\begin{matrix} x & 0 & 1 & 2 & 3 P (x) & 0.2 & k & k & 2 k \end{matrix}$

Find the value of k

x

$x$	$0$	$1$	$2$	$3$
$P (x)$	$0.2$	$k$	$k$	$2 k$

k

X

$X$	0	1	2	3
$P (x)$	0.3	k	2k	3k

k

x

\begin{matrix} x & 0 & 1 & 2 & 3 P (x) & 0.2 & k & k & 2 k \end{matrix}

k

$X = x$	$- 2$	$- 1$	$0$	$1$	$2$	$3$
$P (X = x)$	$0.1$	$K$	$0.2$	$2 K$	$0.3$	$K$

X

K

X

Join BYJU'S Learning Program