An exam consists of 15 true-or-false questions. If a student guesses at every answer, what is the probability that he or she wil l answer exactly 9 questions correctly? (Round your answer to three decimal places.).
1 answer:
<span>C(15,9) * (1/2)^9 * (1/2)^6 = 5005/32768 = .153 approx</span>
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Are there any other numbers to this question? I will be glad to help.
Answer:
67% (rounded)
Step-by-step explanation:
Since there is 1-6,
There is 3,4,5,6 which is 4/6 chance being above 2.
2/3 = 66.6%
If she works 48 hours per week and she earns 16 dollars per hour, we can find the weekly wage by multiplying 48 by 16. This gets us a weekly wage of $768 (Choice A).
Answer:
the answer is about 1.2
Step-by-step explanation:
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