Joe may select one shirt from a group of seven, and one tie from a group of 5. How many ways can he select a shirt and tie?
What will be an ideal response?
35
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Provide an appropriate response.Given the equiprobable sample space S = 
and events E = 
and F = 
, find 
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The final grade for an algebra course is determined by grades on the midterm and final exam. The grades for four students and two possible grading systems are modeled by the following matrices. src="https://sciemce.com/media/4/ppg__tttt0519191117__f1q44g6.jpg" style="vertical-align: -15.0px;" />Find the final course score for Student 3 for both grading System 1 and System 2.
A. System 1: 77.2; System 2: 76
B. System 1: 87.3; System 2: 85.5
C. System 1: 69.3; System 2: 101.7
D. System 1: 44.2; System 2: 53
Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, 
), on the circle 
, also lies on the terminal side of an angle ? in quadrant II. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant III.f(2?)
A. - 
B. - 
C. 
D. 
Find the expected value and variance for the random variable whose probability density function is 
Enter just two reduced fractions (unlabeled) in the order E(X), Var(X) separated by a comma.
Fill in the blank(s) with the appropriate word(s).