Marcus score is 13.7, the mean is 12.89, and the standard deviation is 1.95, so I’ll do ( 13.7 – 12.89)/ 1.95, Since Marcus' z-score is 0.415. The area to the left of the z-score is 65.9% so therefore Marcus did scored better than 65.9% of the students. So Marcus needs to score 98% better of all the other students in order for him to receive an actual certificate.
Answer:
4
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given
-- initial
Required
The exponential equation
The exponential equation is
Where
We used minus, because the rate decreases..
So, we have:
So:
Hence:
Answer:
, so using order of applications, it simplifies to 27+1.5+9 after multiplying and dividing, and the final answer is 37.5
Step-by-step explanation:
