MCQ
In a bionomial distribution, mean is 18 and variance is 12 then p = _______.
  • A
    $\frac{3}{4}$
  • B
    $\frac{2}{3}$
  • C
    $\frac{1}{2}$
  • $\frac{1}{3}$

Answer

Correct option: D.
$\frac{1}{3}$
D

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Which of the following is the INCORRECT statement with respect to biocontrol agents?
A progressive wave of frequency 50 Hz is travelling with velocity 350 m/s through a medium. The change in phase at a given time interval of 0.01 s is ______.
In switching circuit, transistor is in $O N$ state, values of $I_E$ and $I_B$ are 10 mA and 0.8 mA respectively and $R_L$ is $2 \mathrm{k} \Omega$. If $V_{C E}$ is 7.6 V , then $V_{C C}$ is ______________ .
A capillary tube when immersed vertically in a liquid records a rise of 6 cm. If the tube is immersed in the liquid at an angle of 60° with the vertical, then length of the liquid column along the tube will be ______.
The weight $W$ of a certain stock of fish is given by $W=n w$, where $n$ is the size of stock and $w$ is the average weight of a fish. If $n$ and $w$ change with time $t$ as $n=2 t^2+3$ and $w=t^2-t+2$, then the rate of change of $W$ with respect to t at $t =1$ is.........
______ is secreted by killer T - cells.
Which element among the following has highest number of unpaired electrons in observed electronic configuration?
An electron revolving in a circular orbit of radius 'r' with velocity 'V' and frequency 'v' has orbital magnetic moment 'M'. If the frequency of revolution is doubled then the new magnetic moment will be ____________.
In a balanced metre bridge, $5 \Omega$ is connected in the left gap and $R \Omega$ in the right gap. When $R \Omega$ is shunted with equal resistance, the new balance point is at $1.6 I_1$ where ' $I_1$ ' is the earlier balancing length. The value of ' $I_1$ ' is______
Study the following statements and select the correct option.

Statement I: Holandric genes are present on Y chromosome. Statement II: Holandric genes are always inherited from father to son.