A. total power usage PS4 in a week = 8.8 watts x 21 hrs/day x 7 days/week
= (1293.6 watt.hr/week) / (1 kW/1000w)
= 1.29 KW hr/ week
b. carbon emission = 2.1lb/KW
= 1.29 KW x 2.1lb/KW
= 2.71 lb
It would depend on how many spaces there are on the spinner. If it was a total of 10 spaces then the probability of spinning on a 2 or 8 would be 2/10. Or if your looking percentage wise then 20%
Answer:
Andrew takes a test for the disease that has an accuracy rate of 75%. What is the probability that Andrew has heart disease and the test accurately predicts it? The two events are independent, so you need to find the product of their probabilities: 0.9 × 0.75 = 0.675.
