01-05-2017
Mathematics

contestada

A die is rolled 30 timeswhat is the probability of getting x even number

Respuesta :

mreijepatmat mreijepatmat

01-05-2017

Probability of getting an even number (2,4,6) out of (1,2,3,4,5,6) =3/6=1/2

The probability of getting x even number :
(using the binomial probability)

30Cx (1/2)^x . (1/2)^(30-x)

Answer Link

Otras preguntas

if the wheel of the engine of a train is 30/7m in circumference and makes 7 revolutions in 4 secs then the speed of the train is?

How to find base area

The volume v of a sphere with radius r is given by formula v=4/3 . if radius of a spherical rubber ball is 1 1\4 inches , what is its volume to the nearest cubi

We use pedigree charts to trace specific _________ from one generation to the next.

What was america’s most effective weapon in the cold war?

A 31 foot support wire is attached from the top of a 25 foot telephone pole to a point on the ground how far from the poles base does the wire meet the ground

When cells use chemical energy obtained from food, this is known as mitosis. respiration. photosynthesis. digestion.

Which liquids are highly sensitive to both changes in temperature and changes in the electrical field? A). miscible liquids B). immiscible liquids C). liquid cr

Which of the following species native to southeast asia faces extinction? The Whale Shark The Mouse Deer The Javan Rhinoceros The Domestic Asian Water Buffalo

which best describes the kind of questions asked of the poems speaker