Solve the problem.The life span of a certain insect in days is uniformly distributed over the interval 
What is the expected life of this insect?
A. 30 days
B. 26 days
C. 29 days
D. 28 days
Answer: D
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Solve the problem.Let D be the smaller cap cut from a solid ball of radius 8 units by a plane 7 units from the center of the sphere. Set up the triple integral for the volume of D in spherical coordinates.
A. 
B. 
C. 
D. 
Use addition, subtraction, or multiplication to solve the problem.There are 34 computers in the keyboarding room. If the room is available for classes 12 periods of the day, what is the maximum number of students that can take keyboarding?
A. 408 students B. 423 students C. 22 students D. 46 students
Solve the problem.Write an equivalent statement using the distributive property.10
+ 3
=
A. (30)
B. (10 + 3)
C. (30)
D. (10 + 3)
The following information gives the number of elements in some subsets of A, B, and C. Represent this with a Venn diagram.
What will be an ideal response?