Solve the problem.A die is rolled 10 times. Find the probability of rolling no more than 4 ones.
A. Approximately 0.054
B. Approximately 0.155
C. Approximately 0.930
D. Approximately 0.985
Answer: D
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Provide an appropriate response.Let A = 
and B = 
.Does the matrix A - B have an inverse?
A. Yes B. No
Solve the problem.An experiment in a wind tunnel generates cyclic waves. The following data is collected for 60 seconds: 
Let V represent the wind speed (velocity) in feet per second and let t represent the time in seconds. Write a sine equation that describes the wave.
A. V = 25 sin 
+ 50
B. V = 75 sin(60t - 30) + 25
C. V = 50 sin (60t - 30) + 25
D. V = 75 sin 
+ 25
Find a positive value of the given variable so that the trinomial is factorable.2x2 + bx + 1; b = ?
A. 2 B. 1 C. 3 D. 4
Solve the problem by writing and solving a suitable system of equations.A company produces three models of video cassette player, models X, Y, and Z. Each model X machine requires 
of electronics work, 2.8 hours of assembly time, and 4.4 hours of quality assurance time. Each model Y machine requires 
of electronics work, 
of assembly time, and 
style="vertical-align: -4.0px;" /> of quality assurance time. Each model Z machine requires 
of electronics work, 
of assembly time, and 
of quality assurance time. There are 
available each week for electronics, 
for assembly, and 
for quality assurance. How many of each model should be produced each week if all available time must be used?
A. 45 model X, 20 model Y, 30 model Z
B. 45 model X, 15 model Y, 35 model Z
C. 43 model X, 22 model Y, 30 model Z
D. 46 model X, 20 model Y, 29 model Z