EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 15 - Probability>GUJCET 2018>Q 5

EASY

GUJCET

IMPORTANT

Earn 100

The probability that an event $A$ occurs in a single trial of an experiment is $0.3 .$ Six independent trials of the experiment are performed. What is the variance of probability distribution of occurrence of event $A ?$

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Important Questions on Probability

MEDIUM

GUJCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 15 - Probability>GUJCET 2017>Q 6

The probability function of a binomial distribution is

P (x) = (\begin{array}{l} 6 \\ x \end{array}) p^{x} q^{6 - x}, x = 0, 1, 2, \dots . ., 6 .

If

2 P (2) = 3 P (3),

then

p =

_______.