Need Help with Basic Stats Question ASAP

[manic galleon]

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[long musk]

Anyone know the answer to this?

[tired birch]

Either the casino wins or it doesn’t. So we have a binomial distribution, with probability of success = 1/19 and 10000 “trials”

[long musk]

yeah gotcha

[tired birch]

Using what you know about binomial distribution it’s a simple case of plugging into the formulas

[tired birch]

Expected value is np. Standard deviation is sqrt(np(1-p))

[long musk]

ye i got it

Do u know what this is?

What do u get for this?

[tired birch]

I’m pretty sure this is a problem of algebraic manipulation

Just find the inverse of the pdf

[long musk]

So it should be option 3?

+close