SOLUTION: A fair die is rolled 8 times. What is the probability that an even number (2,4, 6) will occur between 2 and 4 times? Round your answer to four places after the decimal
Algebra.Com
Question 678281: A fair die is rolled 8 times. What is the probability that an even number (2,4, 6) will occur between 2 and 4 times? Round your answer to four places after the decimal
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A fair die is rolled 8 times. What is the probability that an even number (2,4, 6) will occur between 2 and 4 times? Round your answer to four places after the decimal
--------
Binomial Problem with n = 8 ; p(even) = 1/2 ; P(odd) = 1/2
--------
P(2<= x <=4) = binomcdf(8,1/2,4)-binomcdf(8,1/2,1) = 0.6016
====================
Cheers,
Stan H.
RELATED QUESTIONS
A fair die is rolled 10 times. What is the probability that an odd number (1, 3 or 5)... (answered by Edwin McCravy)
a fair die is rolled 3 times in succession. what is the probability that even numbers are (answered by rvfer)
A fair die is rolled three times. What is the probability that it shows an even number in (answered by math_helper)
A fair die is rolled 6 times. What is the probability of having no 1 and no 2 among the... (answered by stanbon)
A fair die is rolled 6 times. What is the probability of having no 1 and no 2 among the... (answered by Edwin McCravy,vksarvepalli)
A fair die is rolled three times. What is the probability that it shows an even number in (answered by stanbon)
A fair die is rolled 4 times. What is the probability that a 2 is obtained on at least... (answered by Boreal)
A fair die is rolled 4 times. What is the probability that a 2 is obtained on at least... (answered by jim_thompson5910)
A penny is tossed and a 6-sided fair die is rolled. What is the probability of tossing a... (answered by stanbon)