NS S21 Wk15-02

Front

What is a proper subset?

Back

A proper subset is a subset that contains some but not all elements of a set.

Front

How many proper subsets does the set {A, M, C, 8} have?

Back

15

Front

What is the probability of getting at least 1 tails when flipping a fair coin three times?

Back

7/8

Front

What is the formula for the area of a regular hexagon?

Back

Area = (3√3/2) * side²

Front

If the area of a bigger regular hexagon is 4 times that of a smaller hexagon, and the side of the smaller hexagon is 2, what is the side of the bigger hexagon?

Back

4

Front

What is the probability of getting at least two heads when flipping a fair coin three times?

Back

1/2

Front

What does MCDXLVI represent in Arabic numerals?

Back

1446

Front

What is the total number of outcomes when flipping a coin three times?

Back

8 (2^3) because each flip has 2 outcomes.

Front

What is the probability of getting exactly 2 heads when flipping a fair coin three times?

Back

3/8

Front

What is the relationship between the side length and area of similar shapes?

Back

The area ratio is the square of the side length ratio.