2 years ago

WILL MARK BRAINLIEST!!!

1 answer:

8 0

Answer is From all those aforementioned, the true statement is: Thanh’s grade is 2.5 standard deviations below the mean of the test grades.

explanation

The z scores are standard deviations. If, for example, a tool returns a z score of +2.5, it means that the result is a standard deviation of 2.5. Very high or very low (negative) z scores associated

with very low p values are at the ends of the normal distribution.

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PLEASE DONT COPY THE ANSWER FROM SOMEWHERE ELSE PLEASE

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3 years ago

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3 years ago

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Diano4ka-milaya [45]

Answer:

Step-by-step explanation:

Because the only step is to subtract 9 from both sides and then you get x=12