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kompoz [17]
3 years ago
8

|a|=6 solve please I need help

Mathematics
1 answer:
gregori [183]3 years ago
5 0

a can either b 6 or -6.

a = \pm 6

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Luba_88 [7]
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Step-by-step explanation:

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Read 2 more answers
A multiple choice exam has 20 questions. Each question has 3 possible answers; there is no partial credit. Only 1 answer out of
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Answer:To find out the theoretical probability of the case given, we need to make certain assumptions.

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Next assumption is that each option in each question is equally likely to be marked by the student.

This pretty much leads us to a binomial probability distribution.

Conditions are:

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Now, calculation is fairly simple.

Binomial probability distribution is such that…

P(8 correct ; 2 wrong)

= 10C8 × (0.25)^8 × (0.75)²

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Step-by-step explanation:

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Answer:

x=1

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