For a binomial distribution, standard deviation is 0.8 and probab… - Vidyadip

Question

For a binomial distribution, standard deviation is $0.8$ and probability of failure is $\frac{2}{3}$. find the mean of this distribution.

✓

Answer

$0.96$

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

Explore more

More "2 Marks Each" from RANDOM VARIABLE ANE DISCRETE PROBABILITY DISTRIBUTION→RANDOM VARIABLE ANE DISCRETE PROBABILITY DISTRIBUTION — all question types→Statistics STD 12 Commerce question papers→Gujarat Board STD 12 Commerce question papers→Gujarat Board question paper generator→

Similar questions

For a time serles of profit, the following results are obtained from the data on profit y during the time period $2013$ to $2017 .$ Using this data fit a trend line and obtain the forecast of profit for the year $2020 .$
$n=5, \sum y=28, \sum t y=127$

State the limitations of mathematical definition of probability.

What is a base year ? Which points should be considered while choosing it ?

The sample space $U$ of a random experiment and its event $A$ are defined as follows. Find the complementary event $A^{\prime}$ of $A$.
$ U=\{x \mid x=0,1,2, \ldots, 10\}$
$ A=\{x \mid x=2,4,6\} $

If $P\left(-1 \leq z \leq z_1\right)=0.823$ for a $z$ - score $z_1$ of the standard normal variable, find the value of $z_1$.

If $I_F=200$ and $I_P=160$, find $I_L$.

The probability distribution of a random variable is as follows: $p(x)=\frac{x+3}{10}, x=-2,1,2$, hence the calculate $E\left(X^{2}\right)$.

Find parameters of the binomial distribution where mean $=4$ and variance $=2$.

In a binomial distribution if $n=7$ and $p=\frac{5}{7}$ find the mean and variance of the distribution.

If $u=\frac{x-5}{3}, v=\frac{y-8}{5}$ and $b_{y x}=0.9$, find the value of $b_{v u}$.