A penny is altered so that the odds are 3 to 2 against it coming up tails when tossed; a nickel is altered so that the odds are 4 to 3 against it coming up tails when tossed. If both coins are tossed; what are the odds of both coins coming up heads?

What is the probability of getting an ace in any standard deck of cards?

I pick a number from to . What's the probability I get a prime number

If an integer is randomly selected such that , what is the probability that is a prime number?

If there are blue balls, black balls, green balls, and red balls and I want to pick two balls without replacement. what’s the probability I get a black ball on the first pull and a red ball on the second?

A fair 6 sided die is rolled twice. What is the probability of observing a 6 both times?

Sheila flips a coin times. What’s the probability she doesn’t get heads on all the flips?

I have five white balls, three blue balls, and two yellow balls. What's the probability I DON'T get a blue ball?

A penny is altered so that the odds are 5 to 4 against it coming up tails when tossed; a nickel is altered so that the odds are 4 to 3 against it coming up tails when tossed. If both coins are tossed; what are the odds of there being one head and one tail?

If you draw an ace from and deck then place it back in the deck, what is the probability of drawing another ace?