Daniel and william have some marbles. daniel finds that 2/5 of the number of marble he has is 4/5 the number of marbles william has. william has 195 marbles. how many marbles does daniel have?

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

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:

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?