Probability (1 Viewer)

[Richard Lee]

A biased coin, the probability of the head for a toss is p, where p not equal to 0.5 and 0<p<1, is tossed ten times.
Q1) Find the probability for exact two heads
Q2)Find the probability for exactly consecutive two heads only

Do u want more, call 0413 197 399

 

[Richard Lee]

Two points:
First: try to find the probability for two heads occured and then to find the probability of being consecutive of any two heads occured. Then use the product rule to find the final answer:
9p^2*(1-p)^8