If one of the students is selected at random what is the probability he or she spent exactly 11 hours in the lab?

Use the following information to answer questions 2-10. 24 students in an engineering class were asked to record the number of hours spent in a lab during a week. The results are listed below.

3, 10, 21, 14, 8, 5, 1, 4, 13, 7, 9, 6, 11, 10, 6, 7, 12, 16, 1 , 7, 14, 1, 11, 8


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Mathematics

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Evaluate the polynomial function for the given value of the variable.Find P(0): P(x) = -4x2 - 2x - 5

A. -5 B. 0 C. 5 D. -7

Mathematics

Provide an appropriate response.Make up a subtraction problem in which the difference between two negative numbers results in a positive number.

What will be an ideal response?

Mathematics

Sketch by hand the graph of the function. Give the coordinates for the vertex.y = x2 - 2x + 5

A. vertex: (1, -4)

B. vertex: (-1, 4)

C. vertex: (-1, -4)

D. vertex: (1, 4)

Mathematics

Graph the equation.y = 

A.

B.

C.

D.

Mathematics