Probability and statistics

Question 1

If I rolled a number cube 600 times, predict how many times it would land on a 3.

Accepted Answer

100 times

Question 2

How many different ways can I arrange the word KNOX?

Accepted Answer

24

Question 3

I had to choose from 3 shirts, 2 pants, and 2 shoes, find the total number of combinations.

Accepted Answer

12

Question 4

You can choose between 2 cones (waffle/sugar) and 4 flavors of ice cream. Total possibilities?

Accepted Answer

8 combinations

Question 5

If I roll two dice what is the probability that I will roll a FOUR AND a ONE?

Accepted Answer

2.7%, 1/36

Question 6

If I was to spin the spinner twice, what is the probability that I will spin a 3 AND a 6?

Accepted Answer

1/64

Question 7

A quarter coin is tossed two times. What is the probability it will land on heads both times?

Accepted Answer

1 out of 4

Question 8

What is the average or mean of all the quiz scores in the dot plot below?

Accepted Answer

4

Question 9

After randomly sampling a bag of animal crackers, the probability of selecting a cat is 10%

Accepted Answer

Estimated Probability

Question 10

What is the probability that a student enjoys reading OR basketball?

Accepted Answer

15%

Question 11

The probability of landing on HEADS when tossing a fair coin is 50%

Accepted Answer

Theoretical

Question 12

The probability of rolling a 6 on a fair die is 1/6 or 16.6%

Accepted Answer

Theoretical Probability

Question 13

What is the probability of rolling an even numbers 3 times in a row with a 6 sided number cube?

Accepted Answer

27/216 = 1/8 = 12.5%

Question 14

Is the variability in this set of data high or low?

Accepted Answer

Low Variability

Question 15

A total of 14 people were surveyed. How many people sleep 6 hours a night?

Accepted Answer

3

Question 16

Danny rolls a number cube. What is the probability that he will roll a 2 or an odd number?

Accepted Answer

4 out of 6

Question 17

100 Students were sampled at Knox, what is the probability that a student enjoys rollerblading?

Accepted Answer

10 out of 100, 10%

Question 18

Answer the question below

Accepted Answer

200 students

Question 19

A total of 14 people were surveyed. How many people sleep more than 6 hours a night?

Accepted Answer

9 people

Question 20

After tossing a coin 50 times, the probability of landing on tails was 18 out of 50 or 36%.

Accepted Answer

Estimated Probability

Question 21

If one coin is chosen at random, what is the probability it will be a dime or a penny?

Accepted Answer

42.9%, 3 out of 7

Questions 21