CsManny4035 CsManny4035

01-03-2018
Mathematics

contestada

A fair die is rolled 8 times.
a. what is the probability that the die comes up 6 exactly twice?
b. what is the probability

Respuesta :

Аноним Аноним

01-03-2018

a. P( first 2 are 6 and last 6 not 6) = 1/6 * 1/6 * (5/6)^6 = 0.0093027

there are 8C2 ways of getting 2 6's in 8 throws

= 8C2 = 28

So the required probability = 28 * 0.0093027 = 0.26 to nearest hundredth.

Answer Link

Otras preguntas

PLEASE HELP Which is the equation of a line that is parallel to the line represented by y=3/4x-1/2?

Give an example of how environmental science might involve geology and chemistry.

Explain how and why governments may want to regulate the price setting of a natural monopoly.

Marge Simpson decided to start a new garden in her backyard. She heard that plants compete for space and decided to test this idea. She bought a mixture of fl

Subtract 8 1/5-4 2/5. Simplify the answer and write as a mixed number.

I need Help with 9??

what property was used to rewrite the polynomial expression (x+5)+3(a+(6x)y) to (5+x)+3(a+(6x)y)

Evaluate the expression when x=−3 xˆ2+5x+9

what type of elements make up the periodic table

The carbon dioxide absorbed by plants is an example of an ________ to a forest and an ________ from the atmosphere.