Question

1) Jack is rolling a number cube. What is the probability that he will roll a 4? Write your answer as a fraction, decimal and equivalent percent. How does the probability of rolling a 4 compare to the probability of the rolling 1,2,3,5, or 6? Why?

2) Janet rolls a number cube 50 times.
The results are:

Number Frequency
1 5
2 15
3 7
4 8
5 10
6 5

If Janet rolls again, using the results above what is the probability that her next roll will be a 5? Present your answer as a fraction, decimal and percent?

3) John has a bag with 4 red tiles, 6 yellow tiles and 8 blue tiles. What is the probability that his friend will randomly select:
Yellow tile ______________

Red tile ______________

Blue tile ______________

Pink tile ______________

Answer 1

Look below!

Explanation:

1.

1A (fraction): 1/6

1B (decimal): 0.16 (6 continues)

1C (percent): 16.66 (6 continues)

2.

5+15+7+8+10+15=60

10/60 time she got 5

1/6 chance she gets a 5 again

2A (fraction): 1/6

2B (decimal): 0.16 (6 continues)

2C (percent): 16.66 (6 continues)

3.

Yellow: 3/10 chance

Red: 1/5 chance

Blue: 2/5 chance

Pink: 0/20 chance

You're welcome in advance.