Answer: A
Step-by-step explanation:
Answer:
74
Step-by-step explanation:
Answer:
18.75 m
Step-by-step explanation:
For the perimeter just add all the sides togheter: 3.5+6.25+9= 18.75m
Answer:
1 time unit
Step-by-step explanation:
There is a 1 in 3 chance that the time until the bulb burns out is zero, and a 2 in 3 chance that the time is the average between 0 and 3 (since it is uniformly distributed). Therefore, the expected value for the time until it burns is:
The expected value of the time until the lightbulb burns out is 1 time unit.