Solve the problem using the normal curve approximation to the binomial distribution.In one county, the conviction rate for speeding is 85%. Estimate the probability that of the next 100 speeding summonses issued, there will be at least 90 convictions.
A. .3962
B. .0420
C. .8962
D. .1038
Answer: D
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Express the relationship between a small change in x and the corresponding change in y in the form 
.f(x) = 3
- 
A. dy = 
dx
B. dy = 
dx
C. dy = 
dx
D. dy = 
dx
Using a sum or difference identity, write the following as an expression involving functions of x.tan (x - 360°)
A. tan x
B. 
C. 
D. -tan x
Find the inverse of the matrix 
(if it exists).
a. 
b. 
c. 
d. does not exist
Solve the problem.Suppose a cold front is passing through the United States at noon with a shape described by the function 
where each unit represents 100 miles. 
Missouri is located at 
and the positive y-axis points north.N
/> 
SSuppose the front moves south 340 miles and west 120 miles and maintains its shape. Give the equation for the new front and plot the new position of the front.
A. y = 
(x - 1.2)2 - 3.4
| N |
| S |
B. y =
(x + 1.2)2 - 3.4| N |
| S |
C. y =
(x - 1.2)2 + 3.4| N |
| S |
D. y = -
(x + 1.2)2 - 3.4| N |
| S |