Your scores for the 20 surprise math quizzes last semester were (out of 10)
Use these raw data to construct a frequency table:
Score
Frequency________________________________________?
Find the probability distribution using the (rounded) midpoint values as the values of X.
x
________________________________________
What will be an ideal response?
1; 3; 9; 7; 0.05; 0.15; 0.45; 0.35
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Solve the problem.A 100 gal tank is half full of distilled water. At time = 0, a solution containing 2 lb/gal of concentrate enters the tank at the rate of 4 gal/min, and the well-stirred mixture is withdrawn at the rate of 
When the tank is full, how many pounds of concentrate will it contain?
A. 175 pounds B. 200 pounds C. 150 pounds D. 187.5 pounds
Determine whether the value of 
is a solution of the inequality.
?
?
A. Yes B. No
Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 3
B. 
; 3
C. 
; 3
D. 
; 3
Provide an appropriate response. To determine the distance between two aircraft, a tracking station continuously determines the distance to each aircraft and the angle between them from the station. Determine the distance between two planes when the angle between them at the station is 47° and the distance from the station to one plane is 43 miles and 27 miles to the other plane.
A. 16.0 miles B. 64.5 miles C. 29.7 miles D. 31.5 miles