Yeajay6313
27.04.2021 •
Mathematics
NASA is conducting an experiment to find out the fraction of people who black out at G forces greater than 6. In an earlier study, the population proportion was estimated to be 0.3 . How large a sample would be required in order to estimate the fraction of people who black out at 6 or more Gs at the 80% confidence level with an error of at most 0.03
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Ответ:
.80
Step-by-step explanation:
Hey There,
Cosine = adjacent / hypotenuse
the adjacent of c is 16
the hypotenuse is 20
so cos C = 16/20 or .80