I don't understand how to do this.

Statistics
Tutor: None Selected Time limit: 1 Day

A warped coin is such that the probability of getting tails on each toss is 0.6. If you toss this coin 8 times what is the probability of getting 4 tails? 

May 4th, 2015

Use the formula nCr(Probability of Success)^r(Probability of Failure)^(n-r)

8C4(0.6)^4(0.4)^4

= (70)(0.1296)(0.0256)

= 0.232

May 4th, 2015

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