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slavikrds [6]
3 years ago
11

DVD cases are sold in packages of 20. Padded mailing envelopes are sold in packets of 12. What is the least number of cases and

envelope with none left over​
Mathematics
1 answer:
Alex777 [14]3 years ago
7 0
I think it might be 2 because 20 divided by 2 there is no left over
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Answer:

a. H0 : p ≤ 0.11 Ha : p >0.11 ( one tailed test )

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z= 0.1378- 0.11/ √0.0979/225

z= 0.1378- 0.11/ 0.02085

z= 1.3322

at 5% significance level the z- value is ± 1.645 for one tailed test

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The rejection region is attached.

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