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gabriellabadon2
15.11.2019 •
Mathematics
The proportion of items in a population that possess a specific attribute is known to be 0.45. a. if a simple random sample of size nequals100 is selected and the proportion of items in the sample that contain the attribute of interest is 0.48, what is the sampling error?
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Ответ:
0.05
Step-by-step explanation:
Sampling error is the error occurs by considering sample for study instead of entire population.Given : The proportion of items in a population that possess a specific attribute is known to be 0.45.
Sample size : n= 100
Sample proportion of items in a population that possess a specific attribute :![\hat{p}=0.48](/tpl/images/0376/2064/f9d10.png)
Now, the formula to find the sampling error :
Hence, the sampling error =0.05
Ответ:
0.2 times
Step-by-step explanation:
Saturn: 8.867 × 108 = 957.636
Uranus: 1.787 × 109 = 194.783
You take (Uranus: 194.783)
& you divide it by (Saturn: 957.636)
You should get a funky number like 0.203399830415732 but since they said approximately you only need to use the first 2 (don't forget to round)
That would make Uranus 0.2 times as far from the sun