A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 5 years ago
i need help with a probability question
anonymous
 5 years ago
i need help with a probability question

This Question is Closed

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I can probably help you

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0oh your typing it. sry didnt see.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0my question is a test consists of 20 tru/false question to pass a student must answer 18 corectly .. if a student guesses on each question, what is the probability that the student will pass the test ?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Very close to zero, give me a minute to get the exact answer

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0It is definitely not 40%. Much lower

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0can you tell me like how to get the answer

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0it would help me alot

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0probably. I totally forgot this subject.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0So...try getting the probability of one correct answer. True or false. That is 50%

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0If you guess on a tru/false, thats 50 percent for each answer.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so you use that and 20 get your percentage then subtract 2 I think...

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Now try two answers correct. He has to guess 50% correctly twice. To answer two correct questions he has to get 50% twice

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0To answer 18 correct he's have to be some kind of superhero

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so it will be like .50*.50 ?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Dude this is really hard to think right now i'm totally stoned out of my mind

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0maybe its like .50 times 18

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0what you have to do it find the probability of him NOT getting 18. And subtract that from 100%

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0So in order to not get 18 correct he has to get three incorrect am i right?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0how do you find the probability of getting three incorrect?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0do you know any good way to get blood out of my keyboard? Its gotten to the point where its just nasty

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0? what does that have 2 wid anething ?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0dude i don't know i'm just trying to help you maybe you could help me too

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0get alcohol pads probably

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0that actually sounds like a good idea actually has this worked for you in the past?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0dude just like find the prob. of getting three wrong then subtract. its very easy

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0R u talkin bout my errors?
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.