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elian1418
10.01.2020 •
Mathematics
How to graph #3 and what's the answer graph wise. i need plz
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Ответ:
Ответ:
The mean is 0.32 and the standard deviation is 0.0122.
Step-by-step explanation:
Given that the Tampa Times polled 1,457 adults in the city to determine whether they put on their shirt before they put on their pants.
Of the respondents, 48% said they put their shirt on first.
32% of all adults actually put their shirt on first
i.e. sample proportion is 48% while population proportion is 32%
Hence sampling distribution follows a distribution with mean = population proportion p
Hence here mean = 0.32
Std deviation of sampling distribution =![\sqrt{\frac{pq}{n} } =\sqrt{\frac{0.32(0.68)}{1457} } \\=0.0122](/tpl/images/0320/4789/b8921.png)
Hence option 3) The mean is 0.32 and the standard deviation is 0.0122.
is right