Answer the question(s) based on the following situation: Over the last 80 years records have been kept of the annual rainfall in the Tasmanian desert. The distribution of annual rainfall is approximately normal and has no outliers. The minimum of 4.5 inches of rain occurred in 1952; the maximum of 11.7 inches of rain occurred in 1934.The standard deviation of the rainfall distribution is approximately
A. 1.2 inches.
B. 3.6 inches.
C. 7.2 inches.
D. 1.8 inches.
E. none of these
Answer: A
Mathematics
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Asymptotes y = 
x, y = - 
x; one vertex is (0, 22)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Write a chain rule formula for the following derivative.
for z = f(r, s); r = g(t), s = h(t)
A. 
= 
+ 
B. 
= 
+ 
C. 
= 
D. 
= 
+ 
Mathematics
Determine whether the statement is true or false.For any odd natural number n: If you square the nth term of the Lucas sequence and add 2 you will obtain the (2n)th term of the Lucas sequence.
A. True B. False
Mathematics
Divide.
A. 4t - st5 + 16
B. 4st - 
+ 16
C. 4t - 
+ 16
D. 4t - 
+ 16
Mathematics