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 MEEEEEEEE In the final exercise of the previous unit, we chose a subject and tried to find a persuasive angle for that subject through a fact-findin
Solve the equation. 3 + |t + 4| = 10 Question 9 options: [-3, 11] [-11, 3] [3, 11] [-3, -11]
Un vendeur travaille dans un supermarché. O True O False
which of the following ratios are connected to 5/20? multiple choice a 1/5 b1/4 c 20/100 d 25/100
When Bonita put together a research report for her company, what would she have included in the references section?
Hey can someone please explain why you got the answer and how? Thank you so much!
The temperature in a town increased 18°F in 4 hours. The temperature decreased 40°F in the next 6 hours. Write the total change in temperature as a rate in the
what were settlers required to do?
night driving is dangerous because
Chapter 24: What is the "new truth" Hester represents in the Scarlet Letter?