A coin is slightly irregular such that when it is tossed, the probability of landing on the head is .48. What is the probability of getting two heads if tossed five times?

Question

anonymous · Answer

0.032396.... about 3.2 percent chance. Do you want that as a fraction?

anonymous · Answer

.48^2*(1-.48)^3 **

anonymous · Answer

yeah :)

anonymous · Answer

My correct answer is .32 rounded to the nearest hundredth, what happened?

anonymous · Answer

$$316368/9765625$$

anonymous · Answer

I have no idea about that :) try it out tho, just use this multiply the probability of each time you flip the coin.

anonymous · Answer

Okay, thanks, I wonder if it's an incorrect answer key....

anonymous · Answer

P(x=2)=> 5C2(.48)^2(.52)^3  = .3239 = .324(approx.)

anonymous · Answer

oh, shoot, good point snacker, I forgot that the heads can come in any order :S sry neenjafoo m(_ _)m