Mary has six cards whose front sides show the numbers 1,2,3,4,5, and 6. she turns the cards face-down, shuffles the cards until their order is random, then pulls the top two cards off the deck. what is the probability that at least one of those two cards shows a square number?

0.6

Step-by-step explanation:

Among numbers 1, 2, 3, 4, 5 and 6, the square numbers are 1 and 4.

The probability that both of these two cards do not show a square number (both selected cards show numbers 2 or 3 or 5 or 6) is

The probability that at least one of those two cards shows a square number is

answer: b.

step-by-step explanation:

the y coordinate for point b is 0, and answer b is the only one with that y coordinate.