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Mathematics 14 Online
OpenStudy (anonymous):

WILL GIVE MEDAL FOR ANSWER If P(A)=0.6, P(B)=0.55 and P(A and B)= 0.2, find the following probabilities: 1) P( A and (not B)) = 2) P (not (A and B)) =

OpenStudy (anonymous):

i know the second answer 1-p(aand b)=1-.2=.8

OpenStudy (anonymous):

a and b are not independant events therefore i have no idea about the the first problem

OpenStudy (anonymous):

thanks so much

OpenStudy (anonymous):

no problem do you know the answer for the first sum

OpenStudy (anonymous):

please tell i will try to get the answer

OpenStudy (anonymous):

is it .27

OpenStudy (anonymous):

P(A or B) = .95 P(not A) = .4 P(not B) = .45

OpenStudy (anonymous):

i need the answer for the first problem if you can tell

OpenStudy (anonymous):

i don't know it

OpenStudy (anonymous):

ok no problem take care bye is it night over there

OpenStudy (anonymous):

what are you talking about?

OpenStudy (anonymous):

you from usa?????

OpenStudy (anonymous):

i am from india cya

OpenStudy (anonymous):

yes but the .27 isn't correct, do you mind re doing it?

OpenStudy (anonymous):

then what is the answer

OpenStudy (anonymous):

i dont know but when i put it in, its saying its incorrect

OpenStudy (anonymous):

ok i will try once again

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

is it .4

OpenStudy (anonymous):

reply fast

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

thanks!

OpenStudy (anonymous):

i got it using wenn diagram

OpenStudy (anonymous):

do you want to help me with another question?

OpenStudy (anonymous):

i will try

OpenStudy (anonymous):

Events A_1, A_2 and A_3 form a partiton of the sample space S with probabilities P(A_1) = 0.1, P(A_2) = 0.1, P(A_3)= 0.8. If E is an event in S with P(E|A_1) = 0.3, P(E|A_2) = 0.5, P(E|A_3) = 0.4, compute P(E) = P(A_1|E) = P(A_2|E) =

OpenStudy (anonymous):

i will think over it buddy and tell you later good morning it might take some time

OpenStudy (anonymous):

haha its fine but its night here in the us, i live in new york

OpenStudy (anonymous):

where in india are you from?

OpenStudy (anonymous):

i live in banglore ever heard of it 8.36 am

OpenStudy (anonymous):

no never, i'm not too familiar with india but i hope to travel there one day soon

OpenStudy (anonymous):

i wish to visit usa one day which grade are you in

OpenStudy (anonymous):

i'm in college, are you in school?

OpenStudy (anonymous):

yep grade 12 age 18

OpenStudy (anonymous):

oh cool

OpenStudy (anonymous):

which college what are you studying

OpenStudy (anonymous):

i mean which course

OpenStudy (anonymous):

my major? i'm studying business administration

OpenStudy (anonymous):

cool, next month will be writing my entrance exams lot to study

OpenStudy (anonymous):

bye see you again whytemonks is that your name?

OpenStudy (anonymous):

haha that's just my username but you could just refer to me as that, but bye & thank you again

OpenStudy (anonymous):

no probs i will try to solve your problem soon cya again take care all the best

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