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

What is the author’s opinion of the Roman people? Romans are the most respected, praised, and magnificent people on Earth. Romans are rarely viewed by the rest

Select the correct answer. What does the structure of the poem as the outspread wings of a flying bird convey?

Solve for x please.

the inequity of Six times a number x is at least −24

cylinder and a cone have the same diameter: 8 inches. The height of the cylinder is 5 inches. The height of the cone is 15 inches. Use pi = 3.14. What is the r

Which equation represents the number of inches (i) a snail crawls if it crawls 7.6 inches per hour (h)? How far will the snail crawl in 8 hours?

The ratio of the number of cars to thenumber of vans in a parking lot was 5:2. After 1/3 of the cars left, there were 16 more cars than vans in the parking lot.

What vertical distance will a body dropped from rest fall in 12s of free fall

at what point do 3x-2=26 and 5x=7y+58 intersect?

Cobalt-63 has a half-life of 5.3 years. If a pellet that has been in storage for 15.9 years contains 40.0g of Cobalt-63, how much of this radioisotope was prese