Learning Task 1. Roll' It!

The table shows the result of Michael rolling a die 100 times. Answer the question that follow.

Outcome Frequency

1 16
2 20
3 22
4 10
5 18
6 14
Total 100

1. What is the theoretical probability of a die showing a "3"?

2. What is the theoretical probability of a die showing an even number?

3. In the experiment done by Michael, what is the probability of a die showing an odd
number?

4. Based on the frequency of occurrences of numbers in a die, what is the probability
that a die showing greater than 5?

5.When Michael rolled the die 100 times, what is the probability of a die showing " 2"?


Sagot :

Number 1.

The theoretical probability of a die showing a "3" is [tex]\frac{1}{6}[/tex].

Number 2.

The theoretical probability of a die showing an even number is [tex]\frac{3}{6} =\frac{1}{2}[/tex].

Number 3

The probability of a die showing an odd number is [tex]\frac{3}{6} =\frac{1}{2}[/tex].

Number 4

Based on the frequency of occurrences of numbers in a die, the probability that a die showing greater than 5 is [tex]\frac{14}{100}[/tex] = 0,14.

Number 5

The probability of a die showing " 2" is [tex]\frac{20}{100}[/tex] = 0,2.

Step-by-step explanation:

Be discovered:

The table shows the result of Michael rolling a die 100 times.

Outcome         Frequency

     1                      16

     2                    20

     3                    22

     4                    10

     5                    18

     6                    14            

                       Total 100

Question:

1. What is the theoretical probability of a die showing a "3"?

2. What is the theoretical probability of a die showing an even number?

3. In the experiment done by Michael, what is the probability of a die showing an odd number?

4. Based on the frequency of occurrences of numbers in a die, what is the probability that a die showing greater than 5?

5.When Michael rolled the die 100 times, what is the probability of a die showing " 2"?

Asked:

Number 1.

Sample point of throwing a die = 6

n(S) = 6

n(3) = 1

The theoretical probability of a die showing a "3" is [tex]\frac{1}{6}[/tex].

Number 2.

Sample point of throwing a die = 6

n(S) = 6

The even numbers on the die are 2, 4, 6.

Number of even numbers on the dice = 3

n(even) = 3

The theoretical probability of a die showing an even number is [tex]\frac{3}{6} =\frac{1}{2}[/tex].

Number 3

Sample point of throwing a die = 6

n(S) = 6

The odd numbers on the dice are 1, 3, 5.

Number of odd numbers on the dice = 3

n(odd) = 3

The probability of a die showing an odd number is [tex]\frac{3}{6} =\frac{1}{2}[/tex].

Number 4

Based on the frequency of occurrences of numbers in a die, the probability that a die showing greater than 5 is [tex]\frac{14}{100}[/tex] = 0,14.

Number 5

The probability of a die showing " 2" is [tex]\frac{20}{100}[/tex] = 0,2.

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