Math

13. A true or false test has 8 questions. What is the probability of guessing the correct answers to all the questions?

A. 1/10
B. 1/16
C. 1/64
D. 1/256

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  1. each individual question has a prob of 1/2 of being correct
    so you want (1/2)(1/2) .... (1/2) --- (8 times)
    = (1/2)^8
    = 1/256

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  2. Yes I think so too

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  3. dose anyone have all the answers?

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  4. 1. A
    2. C
    3. B
    4. B
    5. C
    6. B
    7. B
    8. C
    9. D
    10. B
    11. C
    12. C
    13. D
    14. A
    15. A
    16. C
    17. A
    18. C
    i got 12/18 searching the answers one by one.
    these should get you 100%

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  5. guys, disregard "lady unsane"

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  6. i agree

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