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Mathematics 19 Online
OpenStudy (anonymous):

What is the value of 7P5? PLEASE HELP!!!!!! WILL GIVE MEDAL!!!!!!

OpenStudy (luigi0210):

\[\frac{ 7! }{ (7-5)! }\]

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

@Luigi0210 what now? please walk me through it.

OpenStudy (foreverandalways13):

oh ok so basically if you do it with a calculator its easier but the answer is 2520...

OpenStudy (foreverandalways13):

the magic of scientific calculators:)

OpenStudy (anonymous):

lol

OpenStudy (anonymous):

Wow u r smart

OpenStudy (foreverandalways13):

thanks!!!!

OpenStudy (anonymous):

one more?

OpenStudy (foreverandalways13):

ok lol

OpenStudy (anonymous):

Events A and B are mutually exclusive. Also, P(A) = 0.25 and P(B) = 0.35. What is P(A or B)?

OpenStudy (foreverandalways13):

give me a sec...this may take a minute:)

OpenStudy (anonymous):

k

OpenStudy (foreverandalways13):

i think its 0,0875....not sure bout this one...

OpenStudy (anonymous):

answers: 0.1, 0.25, 0.35, 0.6

OpenStudy (anonymous):

lol

OpenStudy (foreverandalways13):

oh ok then it maybe 0.6 i think i aint good at this just so u know...

OpenStudy (foreverandalways13):

idk...lol thats a hard one...bleh!

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