A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
Max tossed a fair coin 3 times. What is the probability of getting heads in the first two trials and tails in the last trial?
anonymous
 one year ago
Max tossed a fair coin 3 times. What is the probability of getting heads in the first two trials and tails in the last trial?

This Question is Closed

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.0\[\text{probability} = \frac{ \text{number of favourable outcomes} }{ \text{number of possible outcomes} }\] and you should note it can never be greater than 1.

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.0So if we flipped one coin for example, we would have \[\frac{ fav }{ pos } = \frac{ 1 }{ 2 } = 0.5 = 50 \%\]

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.0thats the probability of getting heads if you flip one coin

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.0So if you had two then we would have \[\frac{ fav }{ pos } = \frac{ 2 }{ 4 }\] see a patten here?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so does that mean with three it would be 3/12

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0but if that is true the teacher marked it wrong

IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.1dw:1437957649821:dw

IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.1this is a binomial

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so what this tells me is that it is 2/8

IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.1go with @Astrophysics i just added this for colour

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0but am i correct in my answer 2/8

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thank you i think i got it tough

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.02/8 does not seem right :O
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.