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Alik [6]
2 years ago
8

It cost you $12 to start up your

Mathematics
1 answer:
brilliants [131]2 years ago
6 0

Step-by-step explanation:

let no. of hours be x.

45x - 12 ≥ 117

45x ≥ 129

x ≥ 2.8667 (5sf)

therefore, 3 hours (round up to next whole number).

Topic: inequalities

If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thank you!

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Answer:

Random sample, np \geq 10 and n(1-p) \geq 10, so yes, both conditions were satisfied.

Step-by-step explanation:

60% of the people in a certain midwest city who are responsible for preparing the evening meal have no idea what they are going to prepare as late as 4PM in the afternoon.

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The sample size must be large (so that at least 10 or more successes and failures).

np = 1000*0.6 = 600 \geq 10

n(1-p) = 1000*0.4 = 400 \geq 10

So yes, both conditions were met.

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Step-by-step explanation:

Hope this helps! ^w^

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Step-by-step explanation:

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Step-by-step explanation:

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