The table shows the results of rolling a number cube labeled one through six 50 times.
Number Rolled Frequency
1 7
2 9
3 11
4 6
5 9
6 8
What is the experimental probability of rolling a 3?
• 0.11
• 0.22
• 0.30
• 0.27
The experimental probability of rolling a 3 is 0.22. This is found by taking the frequency of rolling a 3 (11) and dividing it by the total number of rolls (50): 11/50 = 0.22.
To find the experimental probability of rolling a 3, we divide the frequency of rolling a 3 by the total number of rolls.
According to the table, the frequency of rolling a 3 is 11. Since the number cube was rolled a total of 50 times, we divide 11 by 50:
Experimental probability of rolling a 3 = 11/50 ≈ 0.22
Therefore, the correct answer is:
• 0.22
To find the experimental probability of rolling a 3, we need to divide the frequency of rolling a 3 by the total number of rolls.
From the table, we can see that the frequency of rolling a 3 is 11. Since the number cube was rolled 50 times (as stated in the question), the total number of rolls is 50.
So, the experimental probability of rolling a 3 is:
( Frequency of rolling a 3 ) / ( Total number of rolls )
= 11 / 50
To simplify this, we can divide both the numerator and the denominator by their greatest common divisor, which is 1 in this case.
= 11 / 50
Therefore, the experimental probability of rolling a 3 is 0.22.
Therefore, the correct answer is:
• 0.22.