Let's Make a Deal - 3 doors, 2 have a pig behind it and one has a car. I pick Door #2. Host shows me Door #1 and it's pig. Then he asks me if I want to switch from Door#2 to Door #3. Should I do it? Or doesn't it matter.

Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next