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Savtheartist23
13.12.2019 •
Mathematics
Asurvey of 500 likely voters showed that 385 felt that the economy was the most important national issue. find a point estimate (p-hat0 for p, the population proportion of voters who feel the ecomomy is the most important national issue.
a) 385
b) 0,77
c) 1.30
d) 0.08
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Ответ:
Option B
Step-by-step explanation:
Given that a survey of 500 likely voters showed that 385 felt that the economy was the most important national issue.
Sample size n = 500
favor who feel the ecomomy is the most important national issue x= 385
Sample proportion =![\frac{x}{n} \\=0.77](/tpl/images/0417/8253/99866.png)
Sample proportion would be the point estimate for population proportion of voters who feel the ecomomy is the most important national issue.
Hence the point estimate (p-hat0 for p, the population proportion of voters who feel the ecomomy is the most important national issue
is 0.77
(option B)
Ответ: