A standard deck of cards has 52 cards. What is the probability of drawing a black card?

1/2

$200

1

https://coda.io/d/_dOWx4-Cpf7i#_tuneY/r1&modal=true

A die is rolled 6 times. What is the probability of rolling a 6 at least once?

5/6

$400

2

https://coda.io/d/_dOWx4-Cpf7i#_tuneY/r2&modal=true

What is z- score in statistics

measure of standard deviation

$600

3

https://coda.io/d/_dOWx4-Cpf7i#_tuneY/r3&modal=true

What is the mode of the following set of numbers: 12, 15, 18, 21, 21?

21

$800

4

https://coda.io/d/_dOWx4-Cpf7i#_tuneY/r4&modal=true

What is the median of the following set of numbers: 12, 24, 18, 21, 15?

18

$1,000

5

https://coda.io/d/_dOWx4-Cpf7i#_tuneY/r5&modal=true