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kkurt [141]
2 years ago
5

Please help!!!! And show work please!

Mathematics
1 answer:
marin [14]2 years ago
7 0
C. Table T
It is not a function if one x value gives more than 1 y-value. In table T, 3 gives 4 and -4 two different y values.
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To answer (a), we will need to find the Z value for 710 hours and 990 hours.

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B) 68% of data lies between one standard deviation of the mean.

850 +70 = 920

850 - 70 = 780

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