80%
80% B
94
80
78
80
80
80
a
15 out our 3
toget 80% you need .8 x 15 = 12 questions right. That means you can 15-12 = 3 questions wrong
10 - 3 = 7 7 / 10 = .7 = 70%
With 3 wrongs out of 8 questions your average is (3/8)x100 = 37.5% wrong and 62.5 correct.
92 :)
50
As a percentage it is 80%
toget 80% you need .8 x 15 = 12 questions right. That means you can 15-12 = 3 questions wrong
It depends on the grading scale. 47/50 is 94% which is an A in most cases.
5/15 *100 = 331/3 % (this is the percentage wrong) 10/15 *100 = 662/3 % (the percentage right)
65
10 - 3 = 7 7 / 10 = .7 = 70%
You're permitted to give wrong answers to as many questions as you want to, and correct or blank answers to the rest of them. Unfortunately, however, the custom is that if you exceed some number of wrong or blank answers, then you fail the test.
15. They allow you to get 3 wrong answers in order to pass.
That is about a "C".
12 - 3 = 9 questions correct9/12 = 0.75 which = 75%
With 3 wrongs out of 8 questions your average is (3/8)x100 = 37.5% wrong and 62.5 correct.
88%, or a B+