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Rudiy27
3 years ago
7

Need formula 5/8m=12. Need formula already know answer (19.2)

Mathematics
1 answer:
natita [175]3 years ago
7 0
5m/8 = 12
8 x 12 = 5m
96 = 5m
m = 96/5
    = 19.2 
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Information given

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System of hypothesis

We want to test if the true deviation for this case is lesss than 5minutes, so the system of hypothesis would be:

Null Hypothesis: \sigma^2 \geq 25

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\chi^2 =\frac{15-1}{25} 16 =8.96

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