Number 10 help ASAP it’s on probability which I understand but I can’t make out this one question!

Mathematics

1 answer:

iren [92.7K]2 years ago

5 0

The answer will be 25 percent

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Answer:

A 99.96%

Step-by-step explanation:

The z score shows by how many standard deviations the raw score is above or below the mean. The z score is positive if the raw score is above the mean while the z score is negative if the raw score is below the mean. The z score is given by:

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Step-by-step explanation:

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First bring all terms in 'a' to the left side of the formula by subtracting ac from both sides

ab - ac - cd = ac - ac
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now add cd to both sides
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now factor the left side by taking out the 'a'
a(b-c) = cd
now divide both sides by (b-c)
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done

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Step-by-step explanation:

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