Answers:
A and B
Step-by-step explanation:
3 and 4 are the correct answer and the picture shows how to solve it :)
62.5/5= 12.5 kilometers per hour
Hope this helps!
Answer: The percent of red lights last between 2.5 and 3.5 minutes = 95.44% approx.
Step-by-step explanation:
Given: Mean time = 3 minutes
standard deviation = 0.25 minutes
The probability of red lights last between 2.5 and 3.5 minutes :-
The percent of red lights last between 2.5 and 3.5 minutes = 95.44% approx.