David rolls a number cube fifty times. The number 4 comes up twelve times. The number 3 comes up eight times. What is the experi
mental probability of rolling a 3 or 4? *
1 point
20%
30%
40%
50%
2 answers:
Answer:
40%.
Step-by-step explanation:
Prob( Rolling a 4) = 12/50
Prob( Rolling a 3) = 8/50
When the combined probabilities contain an 'OR' we Add the probability values:
Probability of a 3 or a 4
= 12/50 + 8/50
= 20/50
= 2/5
= 40%.
The correct answer is C, 40%.
You might be interested in
Answer:
Number 1 is 2 5/14
Step-by-step explanation:
Answer:
4 units
Step-by-step explanation:
3-2=1 unit
7-3=4 units
1*4=4 units
Answer:
wrong the answer is 63.1
Step-by-step explanation:
Answer:
There's going to be 2 solutions
Step-by-step explanation:
The width would be 10
length would be 15