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Leokris [45]
3 years ago
9

Kim and Leon exercise a total of 20 hours each week. Leon exercises 2 hours less than 3 times the number of hours Kim exersices.

How many hours does each exercise?
Mathematics
1 answer:
ddd [48]3 years ago
4 0

Answer:

3

Step-by-step explanation:


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Answer:

Standard error = 0.070

Step-by-step explanation:

Formula for the standard error of the distribution of differences in sample proportions is;

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3 years ago
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