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zvonat [6]
3 years ago
6

A multiple choice exam consists of 10 questions, each having 5 possible answers. To pass, you must answer at least 6 out of 10 q

uestions correctly. What is the probability of You go into the exam without knowing a thing, and have to resort to pure guessing, you have studied enough so that on each question, 3 choices can be eliminated. But then you have to make a pure guess between the remaining 2 choices?
Mathematics
1 answer:
prohojiy [21]3 years ago
6 0
You have a 1:2 chance of guessing the right answer, if you have to guess between the two.
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Answer:

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Step-by-step explanation:

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As P lies on the left of the y-axis and above the x-axis hence the x-value will be negative and y-value will be positive.

According to the given information P lies 7 grid lines to the left of y-axis.

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and 3 grid lines above the x-axis i.e. it has y-value:

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