Solution: We are given:

We know that a usual values of the test scores falls within 2 standard deviation from the mean.
Therefore, the minimum usual test score is:




The maximum usual test score is:




Therefore, the minimum and maximum “usual” values of the test scores are:
65.4 and 90.6
With 10 more butter sticks Alan can bake 15 cakes if I'm not mistaken
Answer:
2.54
Step-by-step explanation:
2.53489
2.5349
2.535
2.54
I think it’s y=n+15
The common difference is 1
16+1= 17 17+1=18 and so on
Answer:
growth
Step-by-step explanation: