Answer:
5.164×10^-5
Step-by-step explanation:

Answer: They would have to score an 88%
Step-by-step explanation:
1.) The mean of 84, 92, 83, and 78 is 337
2.) 337 divided by 4 is 84.25%
3.) If you add 88 to 337 and divide by 5, you get 85%
The first equation shows C and D, and the second shows C and B. The overlap will be at C, so thats the answer.
2/8 × 3/5
1/4 × 3/5
3/20
The answer is: 3/20.