1/4,1/3,1/6 in order from least to greatest

True or false look at the picture pls : /

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:

How can you find the mean absolute deviation (mad) for this set of data?