Which of the following are solution(s) to the quuation below? 4x^2+32x+60=0
1 answer:
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So I believe this is the correct answer
Answer:
Step-by-step explanation:
Data given and notation
represent the sample mean
represent the population standard deviation
sample size
represent the value that we want to test
t would represent the statistic (variable of interest)
represent the p value for the test (variable of interest)
Solution to the problem
We need to conduct a hypothesis in order to check if the true mean for the bushlels per acre is not 135, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
And the z statistic is given by:
And replacing we got: