Suppose you are taking a multiple choice exam with 61 questions, each with 4 possible answers. If you were to guess at random fo
r each question, how many questions would you expect to get right
1 answer:
Answer:
15.25
Step-by-step explanation:
The probability of getting a question right is 1/4 because there are 4 possible answers, and you're just guessing randomly.
You can expect to get 1/4 of the questions right.
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1. B (opposite/hypotenuse)
2. C (opposite/adjacent)
Answer:
C. x + y = 743
x – y = 75
Step-by-step explanation:
Got it right.
Answer:
9 groups
Step-by-step explanation:
A: 8/8 = 1:1
B: 9/3 = 3:1
C: 12/6 = 2:1
D: 6/12 = .5:1
so the answer would be B. class with 9 boys and 3 girls
