Question

Guyss ineed help on this one

Answer 1

 

P(x) = C(5, X) * 0.3^x * (1-0.3)^5-x

X = successes = 5 ( no failures)

P(5) = C(5, 5) * 0.3^5 * (1-0.3)^5-5

 

P(5) = C(5, 5) * 0.00243 * 0.7^0

 

P(5) = 1 * 0.00243 * 1

 

P(5) = 0.00243

P(5) = 0.2%