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November 27, 2014

Homework Help: Theoretical&Experimental Probability please help!

Posted by Matthew on Wednesday, March 6, 2013 at 10:20pm.

Please check my work thanks!!

A number cube with the numbers 1 through 6 is rolled. Find the given probability.

1. P(number < 2) (1 point)
A. 1/6 <--- i think this one
B. 2/6
C. 4/6
D. 3/6

2. P(number ≥ 3) (1 point)
A. 4/6
B. 1/6
C. 2/6 <-- this i think
D. 5/6

3. P(complement of 4) (1 point)
A. 1/6
B. 5/6
C. 2/6 <-- Maybe..?
D. 4/6

4. A multiple choice question has 5 possible answers. What are the odds in favor of guessing the right answer? (1 point)
A. 1:5 <-- This one i'm pretty sure
B. 4:1
C. 1:4
D. 3:2

5. What are the odds of the spinner landing on red out of blue, green, and yellow? (1 point)
A. 4:1 <-- This one
B. 2:2
C. 3:1
D. 1:3

6. The following results were obtained from flipping a coin 8 times. According to the results, what is the experimental probability of getting heads?

Trial|Results
1 | Heads
2 | Heads
3 | Heads
4 | Tails
5 | Heads
6 | Tails
7 | Heads
8 | Tails
A. 4/8
B. 5/8
C. 5/3
D. 3/5 <-- This one

Thanks so much!!

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