Students examined a board game to determine if the game was fair. The theoretical probability of rolling a five on the game's die is . However, when they played the game, they found that they rolled a five of the time. What is the best explanation for this?

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?