Answer:
40
Step-by-step explanation:
n/10+5=9
n/10=9-5
n/10=4
n=4*10
n=40
Answer:
english pls
Step-by-step explanation:
if the mean is 70 minutes, then 90 minutes is 2 standard deviations above 70. if you look at the bell curve i drew, the percent of exams that took over 90 minutes is 2.5%
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9 millimeters= 0.9 centimeters
1. 7.25
2. 6.125
3. 3.4
4. 0.15
5. 77
6. 2.15
7. 33.16
8. 1.95
9. 19
10. 0.3
11. 6.2
12. 405
13. 250
14. 11.8
