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Mathematics 7 Online
OpenStudy (anonymous):

MEDAL!! To win a lottery, a person must pick five numbers from 1 to 50 in any order AND a MEGA number from 1 to 30 on the play slip. Determine the probability for winning the jackpot. A. 0 B. 1/7,627,536,000 C. 1/63,562,800 D. 1/855,036,000

OpenStudy (anonymous):

A right?

OpenStudy (anonymous):

is this about ratios

OpenStudy (anonymous):

lol it comes close to 0 yes

OpenStudy (anonymous):

but it's probably not exactly 0 :)

OpenStudy (anonymous):

i ment to say B lol. is that right

OpenStudy (anonymous):

?

OpenStudy (anonymous):

weird i get 1/9 billion or something

OpenStudy (anonymous):

but that's not even an option

OpenStudy (anonymous):

answer choices are these: A. 0 B. 1/7,627,536,000 C. 1/63,562,800 D. 1/855,036,000

OpenStudy (anonymous):

oh wait, it's in any order

OpenStudy (anonymous):

yea so would B, be my answer?

OpenStudy (anonymous):

i'm not sure

OpenStudy (anonymous):

it's like (5/50)*(4/49)*(3/48)*(2/47)*(1/46)*(1/30) right?

OpenStudy (anonymous):

i think so

OpenStudy (anonymous):

because at the first draw, you have a 5/50 chance of having a right number. then, a ball has been drawn, so there's only 49 balls left, but if you had the right number, there's also only 4 'lucky' numbers left. and so on

OpenStudy (anonymous):

and than there's the 1/30 which has nothing to do with the other numbers

OpenStudy (anonymous):

so that would be C

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