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HELP ASAP PLEASE! I tried inputting the numbers into the standard deviation equation but I did not get the right answer to find z. Can someone please help me? Thank you for your time!

HELP ASAP PLEASE I tried inputting the numbers into the standard deviation equation but I did not get the right answer to find z Can someone please help me Than class=

Respuesta :

Answer:

Z =  -1.60

it is low ... it appears that for this problem 2 standard deviations below must be reached to be considered "unusual"

Step-by-step explanation:

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