Ask
your own question, for FREE!
Mathematics
19 Online
OpenStudy (anonymous):
Lisa took a multiple choice test. Each question had five possible answers. She guessed on four of the questions. Make up a probability distribution for the number of correct guesses. What is the probability that she got at least two of them right? What is the probability that she did not get all of them right?
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
AndreW2002:
There is an error when sending GIFs, is this known or is this a level requirement
serenitystXrgazer:
Getting sent to anti gay christian covestion camp in a few weeks, any tips. guys i think im cooked.
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
DoltonCarlee:
So like do y'all know anything about the first world war?
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
sirena2456:
Love Love is something someone needs Love is what makes us ache Love is what your husband sees in you I dont deserve love only sorrow Love is a trigger it k
AndreW2002:
There is an error when sending GIFs, is this known or is this a level requirement
2 minutes ago
1 Reply
0 Medals
serenitystXrgazer:
Getting sent to anti gay christian covestion camp in a few weeks, any tips. guys i think im cooked.
2 hours ago
2 Replies
0 Medals
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
19 hours ago
10 Replies
2 Medals
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
2 days ago
6 Replies
1 Medal
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
3 days ago
0 Replies
0 Medals
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
3 days ago
2 Replies
1 Medal
DoltonCarlee:
So like do y'all know anything about the first world war?
2 days ago
2 Replies
0 Medals
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
2 days ago
5 Replies
2 Medals
sirena2456:
Love Love is something someone needs Love is what makes us ache Love is what your husband sees in you I dont deserve love only sorrow Love is a trigger it k
1 week ago
3 Replies
0 Medals