If a fair coin is tossed 4 times, what is the probability, to the nearest thousandth, of getting exactly 1 heads?

Question

Accepted Answer

Step:1 ：( P(text{exactly 1 head}) = dbinom{4}{1} cdot (0.5)^1 cdot (0.5)^3 )Step:2 ：( = 4 cdot 0.5 cdot 0.125 )Step:3 ：( = 0.250 )

Answer

Step: 1 ：( P(text{exactly 1 head}) = dbinom{4}{1} cdot (0.5)^1 cdot (0.5)^3 )Step: 2 ：( = 4 cdot 0.5 cdot 0.125 )Step: 3 ：( = 0.250 )

Answer