Recent content by sdlisa

So I'm thinking this is the equation: (-$100 * 999/1000) + ($75,000 * 1/1000) That makes the answer: -24.9 I'm not sure if this is correct.

Homework Statement 1,000 raffle tickets are being sold for $100 each. The winning prize is worth $75,000. Find the expected net winnign for the winner if he/she buys one ticket. Homework Equations The Attempt at a Solution I'm not exactly sure what the "expected" net winnings...

okay so now we have 1/5 for the first possibility. Are the other possibilities: 1. if you pull a non-red ball first and then another non-red ball second which will yield another 1/5 just like above. 2. if you pull a non-red ball first and then a red ball second, which will also yield 1/5...

It asks for the probability of exactly one red ball, so RR wouldn't be an option, right? The four possibilities i come up with is; 3 Red 3 Non red RN RR NR NN isn't that 2/4 or 1/2 I'm missing something here...

Homework Statement An experiment consists of drawing two balls out of a bag containing 3 red balls, 2 green, and 1 blue at random and without replacement. Figure out the probability of getting exactly one red ball. The Attempt at a Solution I wrote down all the possible scenarios I could...

That completely makes sense now. I feel kind of stupid now cause it's actually super easy. Thank you for helping.

Homework Statement The question states: The probability that a carton of eggs has a (at least one) cracked egg is .04. What is the probability that your carton is fine? Homework Equations The Attempt at a Solution I'm not sure how to go about this one. I'm pretty comfortable...