3 years ago

1 rounded to the nearest ten do you round up or down

Mathematics

1 answer:

andrew11 [14]3 years ago

8 0

You round down.
five or up you round up.
five or below you round down.

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Can anyone help me please and explain this: Write "60 pounds for $6.60" as a unit rate per ounce to the nearest tenth. 1 pound=

Pepsi [2]

1 pound = 16 ounces
so 60 pounds = 60 x 16 = 960 ounces.
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0.006875 x 16 ounces = 0.11 (11 cents per pound)

3 pounds x 0.11= 33 cents

answer is B

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Sedbober [7]

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4 years ago

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It is believed that 43% of the US population can play the piano, 28% can play the guitar, 15% can play the harmonica, 12% can pl

melomori [17]

Answer:

The smallest sample size to satisfy the conditions is n=500.

Step-by-step explanation:

The condition for performing the inference related to the sample size is that, for all the categories, the expected success and failures in the sample are at least 10:

$np\geq10\\\\n(1-p)\geq10$

The largest sample size required will be for the minimum p or (1-p).

This happens to be the proportion that can play other instruments: 2%.

Then, we can calculate the minimum sample size as:

$np\geq10\\\\n(0.02)\geq10\\\\n\geq(10/0.02)\\\\n\geq500$

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3 years ago