You want to invent a gambling game in which a person rolls two (unbiased) dice and is paid some money if the sum is 7, but otherwise he loses his money. How much should you pay him for winning...

You want to invent a gambling game in which a person rolls two (unbiased) dice and is paid some money if the sum is 7, but otherwise he loses his money. How much should you pay him for winning...

How many 3 digit odd numbers can be made using 1,3,4,6,8 and there can be no repeats

Width:20 Length: 12x+24 of all boards(rectangles). Target within board 1 measurements(rectangle): width 6x-3 length: 2x+4. target within board 2 measurements (circle): radius 6x. target...

The probability that you will win a certain game is 0.4. If you play the game 8 times, what is the probability that you will win at least 6 times?

the 68 to 80 range? it can either be 90, 36, 133, or 126.

I'm creating a game of chance, and the average payout is (a). I add a 50% (x) chance to double the winnings, and a 10% (y) chance for no winnings. This makes the new payout (b), and it is an exact...

A) John has 4 blue ties and 6 green ties in a drawer. What's the probability of getting a blue tie and getting a green tie? B) On Monday, John wears a blue tie and brings it to the...

If you have 4 people with 1/10 odds of winning, and they all draw at the same time, are their odds of winning increased if they'll share the reward? Or is it still a 1/10 or 10% chance they win?...

The probability of “heads” coming face-up on a single flip of a fair two-sided coin is 0.5. You flip the coin a total of eight (8) times. What is the probability of getting exactly 6 “heads” in those...

If the failure rate of TVs is 13.3%, how many would be expected not to fail when 1,500 TV's go to market?

What is the probability of receiving a 6 or a 9 from a deck of 52 cards?

The values of a set of data are 3, 4, 6, 2, 4, 2, 3, 1, 5, 3, 4, 3, 5. What is the range of values within two standard deviations of the mean?

The U.S. Department of Agriculture requires that 80% of the seeds that a company produces sprout. To determine the quality of the seeds it produces, a company takes 500 seeds from those it has produced...

Event A has a probability of occurring of four fifths. Event B has a probability of occurring of one third. If events A and B are independent of one another, what is the probability of both events...

Would appreciate if I could get some help on working this out. Thanks

According to a recent article the average number of babies born with significant hearing loss (deafness) is approximately one per 1,000 babies in a healthy baby nursery. The number climbs to an average...

An urn contains pink and green balls. Four balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is the probability...

there are none

I don't know how to show work for this problem. Please help!

A bag contains 8 red balls, 3 white balls, and 9 blue balls. If 3 balls are randomly chosen, what is the probability of getting 2 red balls and 1 white ball? i'm not sure how to do...