Statistics from Cornell's Northeast Regional Climate Center indicate that Ithaca, NY, gets an average of 35.4 inches of rain eac
h year, with a standard deviation of 4.2 inches.
During what percentage of years does Ithaca get more than 40 inches of rain?
a. approximately 13.7%
b. approximately 10.95%
c. approximately 31.2%
During what percentage of years does Ithaca get more than 40 inches of rain?
a. approximately 13.7%
b. approximately 10.95%
c. approximately 31.2%
1 answer:
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Answer:
C
Step-by-step explanation:
Solve the quadratic in answer choice C using the quadratic formula:
.
Here a=1, b=2, and c=17.
Substitute and you'll have: