4 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

Mathematics

1 answer:

malfutka [58]4 years ago

3 0

Answer: d) 2.5

<u>Step-by-step explanation:</u>

The mean is 16 so it has a z-score is 0

The standard deviation is 4 so:

z-score of 1 is: 16 + 4 = 20
z-score of 2 is: 20 + 4 = 24
z-score of 3 is: 24 + 4 = 28

Notice that 26 is between the z-scores of 2 and 3 = 2.5

Algebraically: $\dfrac{26-16}{4}=\dfrac{10}{4}=2.5$

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