Which of the following is an example of theoretical probability? a. wendy flipped a coin 5 times, and the results were 4 tails. the probability of tails is 4/5 . b. kenny rolled a number cube 9 times and got 4 even numbers. the probability of an even number is 4/9 . c. there are 52 playing cards in a deck, and 4 of them are aces. the probability of turning over an ace is 4/25 . d. there were 73 people in a grocery store, and 45 of them bought milk. the probability of people buying milk is 45/73 .

Arectangle has a width of 9 units and length of 40 units. what is the length of a diognal. a. 31 unitsb. 39 unitsc. 41 units d. 49 units

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.

Write the equation of the circle centered at (10,-2) with radius 2.