Use the Statistical Applet: ? ‑Value for a Test of One Proportion to answer the question....
Use the Statistical Applet: ? ‑Value for a Test of One Proportion to answer the question.
You have taken a sample of ?=1000 individuals and asked them if they typically eat breakfast. Because eating breakfast is considered healthy, you would like to know if the proportion in the population who eat breakfast is more than two‑thirds, about 67%
If you only asked the question of ?=20 people and found ?=15 , what is the ? ‑value?
?-value=
Homework Answers
Here, the value is given by P(X>=15 | Ho is true ie. p=0.67)
R Code :
> 1-pbinom(14,20,0.67)
[1] 0.3082501
Here,the p value = 0.31 ,hence,here Ho is accepted.
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Use the Statistical Applet: ? ‑Value for a Test of One
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