SOLUTION: Find the probability of the event.
3 heads or 2 tails appearing in 3 tosses of a coin.
Algebra.Com
Question 598395: Find the probability of the event.
3 heads or 2 tails appearing in 3 tosses of a coin.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Probability of h=.5, t=.5
3 heads: .5^3=.125
2 tails: 3C2*t^2*h
=3*.25*.5
=.375
.
.125+.375=.5
.
Ed
RELATED QUESTIONS
Hello, I found this question in the permutations and combinations chapter of my math's... (answered by math_tutor2020,greenestamps)
A coin is loaded so that the probability of a head occurring on a single toss is 3/4. In... (answered by robertb)
find the probability of tossing exactly 2 heads on 3 tosses of a fair... (answered by stanbon)
On a certain biased coin, heads is twice as likely as tails. That is, P(H) = 2/3.
What... (answered by richard1234)
What is the expected number of tosses of a fair coin headed to get either 3 heads in a... (answered by Fombitz)
Find the probability of tossing 3 tails, then 5 heads, on the first 8 tosses of a fair... (answered by Edwin McCravy)
Suppose we plan to toss a fair coin three times & would like to compute the following
a) (answered by reviewermath)
Show all the possible outcomes of tossing two coins Heads-H Tails T
Event 1... (answered by stanbon)
A coin is weighted so that heads is twice as likely to appear as tails. What is the... (answered by Fombitz)