Problem page a bag contains 9 marbles: 2 are green, 4 are red, and 3 are blue. mary chooses a marble at random, and without putting it back, chooses another one at random. what is the probability that both marbles she chooses are blue? write your answer as a fraction in simplest form.

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x