A die is rolled 20 times and the number of twos that come up is tallied. Find the probability of getting the given result.Exactly five twos
A. 0.003
B. 0.083
C. 0.129
D. 0.921
Answer: C
Mathematics
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Graph the function.f(x) = -2x(x + 2)(x + 1)
A. 
B. 
C. 
D. 
Mathematics
At one high school, the mean time for running the 100-yard dash is 
with a standard deviation of 0.9 seconds. The times are normally distributed.Find the percent of times that are above 15.2 seconds.
A. 68% B. 34% C. 50% D. 48%
Mathematics
A low pass filter has R = 18 Kê, C = 0.01 F, and Vin = 10 V. Find VO and IC at fCO.
a. IC = 0.39 mA, VO = 10.0 V b. IC = 1.82 mA, VO = 5.0 V c. IC = 1.82 mA, VO = 7.1 V d. IC = 0.39 mA, VO = 7.1 V e. IC = 0.56 mA, VO = 10.0 V
Mathematics
Find the measures of two angles, one positive and one negative, that are coterminal with the given angle.
A. 
, - 
B. 
+ 360°, 
- 360°
C. 
, - 
D. 
, - 
Mathematics