According to the National Health Survey, the heights of adult males in the United States are (normally distributed with mean) 73 inches, and standard deviation of 2.8 inches. What is the probability that an adult male chosen at random is between 65 inches and 75 inches tall? Select the correct answer.
a. 0.5222
b. 0.7154
c. 0.6512
d. 0.5528
e. 0.7590
f. 0.2812
e. 0.7590
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Translate to an equation and solve.
of a number is 2
.
A. 
+ n = 2
; 14
B. 
n = 2
; 14
C. 
+ n = 2
; 10
D. 
n = 2
; 15
Solve the problem. Round to the nearest cent.The March 1 unpaid balance in an account was $231. On March 10, a payment of $60 was made. The interest rate per month was 1.7% per month of the average daily balance. Find the new balance at the end of March.
A. $172.70 B. $174.11 C. $203.03 D. $174.20
Find the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (0, 0)
foci at (0, -5) and (0, 5)
vertices at (0, -25), (0, 25)
B. center at (0, 0)
foci at (- 
, 0) and (
, 0)
vertices at (-8, 0), (8, 0)
C. center at (0, 0)
foci at (-8, 0) and (8, 0)
vertices at (-64, 0), (64, 0)
D. center at (0, 0)
foci at (0, - 
) and (0, 
)
vertices at (0, -8), (0, 8)
Find the indicated quantity.a1, when d = -3 and a43 = -130
A. -7 B. -4 C. -10 D. -3