SOLUTION: Hi! Could you please help me with probabilty. A die is rolled 20 times and the number of twos that come up is tailled. Find the probability of getting the given results. More th

Algebra ->  Probability-and-statistics -> SOLUTION: Hi! Could you please help me with probabilty. A die is rolled 20 times and the number of twos that come up is tailled. Find the probability of getting the given results. More th      Log On


   

Question 1060277: Hi! Could you please help me with probabilty.
A die is rolled 20 times and the number of twos that come up is tailled. Find the probability of getting the given results.
More than one two.
Thank you!
Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!
Binomial probability:

n=20
p=1/6
x=2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20


1 - B(n=20,p=1/6,x=0) - B(n=20,p=1/6,x=1)



1-1%2A1%2A0.0260840533-20%280.1666666667%29%280.031300864%29

0.8695797335

On TI-83 or 84

1-binomcdf(20,1/6,1)

Edwin