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whitakers87
31.01.2020 •
Mathematics
Byron can read 45 pages in an hour. how long will it take him to read the new 700-page tyler cotter book.
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Ответ:
You should get 15.5 repeating.
So, that would make the answer 15 hours. But, if you want to round it to the ones place, you'd get 16.
Hopefully that helped! :)
Ответ:
b. The sample should be chosen at random so that it is fair.
Step-by-step explanation:
One of the most important things when selecting a sample is that the sample must be totally random if the sample is not random (for example, selecting only the youngest people in a group or things like that) there is a high probability that the sample will be biassed towards something, so the study may not be really accurate for all the population.
The correct option is b. The sample should be chosen at random so that it is fair.