You are taking a multiple choice test for which you have mastered 70% of the material. Assume this means that you have a 0.7 chance of knowing the answer to a random test question, and that if you don't know the answer to a question then you randomly select among the four answer choices. Finally, assume that this holds for each question, independent of the others. What is your expected score (as a percent) on the exam?

Q: -6V3 2

A:

Q: 3+2x7=

A: We first multiply 2x72x7=14Because of PEMDAS we multiply first.

Q: Write any 3 formulas for sum of squares terms.

A:

Q: Define the term coefficients?

A: Coefficients:  A numerical or constant quantity placed before and multiplying the variable in an…

Q: can you also answer F

A: We need to determine which of the sales, 170CDs or 200CDs, yields a higher profit.

Q: 4x-45=4

A:

Q: 5-3x

A: Consider the given expression.

Q: Find

A:

Q: Integrate +9 +C

A: topic- indefinite integral

Q: Find Зе 3e3ay

A: Partial derivative with respect to x means treat y constant.

Q: (-8, -11) and (17, 4)

A:

Q: -5,4y+14-2y=4

A: Given ,  4y + 14 - 2y = 4     ....... (1)  We have to find value of y  (1) implies

Q: 9y-3=19-2y

A: 9y-3=19-2y

Q: 4x-3=8

A:

Q: 3x 9. X2+4x+3

A: Given expression is : 3xx2+7x+6+9x2+4x+3 Now add the above expression ,…

Q: 4=6/2x-3

A: Given query is to find the value of x.

Q: 25=2x-3

A: solving for x 25=2x-3

Q: (-5,3)and(-1,0)

A: Topic:- geometry