Question
The annual precipitation for one city is normally distributed with a mean of 28 inches and a standard deviation of 3.4 inches. Fill in the blanks.
In 95% of the years, the precipitation in this city is between __________ and __________ inches.
Apply the 68-95-99.7 rule to this question.
A. 21.2, 34.8
B. 21.2, 34.6
C. 22.4, 34.6
D. 22.4, 34.8
is it C
In 95% of the years, the precipitation in this city is between __________ and __________ inches.
Apply the 68-95-99.7 rule to this question.
A. 21.2, 34.8
B. 21.2, 34.6
C. 22.4, 34.6
D. 22.4, 34.8
is it C
Answers
PsyDAG
No, it would be mean ± 2SD.