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Answer: 0.0328
Step-by-step explanation:
Standard error is the standard deviation of the sampling distribution.
The formula to find the standard error is given by :-
,where n= sample size.
= Sample proportion.
Given : Of the 2266 high school students surveyed, 952 admitted to smoking marijuana at least once.
A study done 10 years earlier estimated that 45% of the students had tried marijuana.
i.e. Population proportion : p= 0.45
Sample size : n= 226
Sample proportion :
Then , the standard error for this test will be :-
Hence, the standard error for this test= 0.0328
We can use substitution to solve this equation in here y=6 and x=0 .
Hope this help you !
Hope this help you !