Answer:
0.4374
Step-by-step explanation:
Answer:
Statisticians use z-scores to divide the area under a curve the way people use a knife to cut pizza.
Step-by-step explanation:
Statisticians use z-scores to divide the area under a curve the way people use a knife to cut pizza.
z-score:
- A z-score is a numerical measurement which is measured in terms of standard deviations from the mean.
- Formula:
- If a z-score is 0, it tells that the data point is same as the mean.
- Area under the normal curve is 1.
10+(-2)=10-2
Therefore 10-2=8
Answer: 19 days
Step-by-step explanation:
305-115=190
190 divided by 10= 19
Step-by-step explanation:
you need too look somewhere else