Solve the problem.In a survey about the number of siblings of college students, the following probability table was constructed: 
What is the probability that a student 3 or more siblings?
A. 0.77
B. 0.11
C. 0.12
D. 0.23
Answer: D
You might also like to view...
Solve. Round to the nearest tenth if necessary.Before taking a typing course, Ian could type 28 words per minute. By the end of the course, he was able to type 82 words per minute. What was the percent increase?
A. 65.9% B. 192.9% C. 34.1% D. 74.5%
Simplify the expression.(
+ 
)(
- 
)
A. 
+ 
- 
+ 2
B. 
+ 
- 
- 2
C. 
+ 
+ 
- 2
D. 
+ 
+ 
+ 2
Solve the problem.A dual-beam search light is positioned to shine on a prison wall. The light is 2 feet from the wall and rotates clockwise. The light shines on point P on the wall when first turned on 
After t seconds the distance (in feet) from the beam on the wall to the point P is given by the function
Find the value for b if the light beam is to sweep the entire wall in 60 seconds.
A. 
B. 
C. 
D. 
Solve the problem.How many different 4-letter radio-station call letters can be made if the first letter must be K or W, repeated letters are allowed, but the call letters cannot end in an O?
A. 33,800 B. 456,976 C. 35,152 D. 16,900