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(Solved):   please provide clear explanations for each question . Probability and Statistics Question 4. ...



 

please provide clear explanations for each question .Probability and Statistics
Question 4.
Assuming the sample was taken from a normal
population, test at a = 0.05 and state the

Probability and Statistics Question 4. Assuming the sample was taken from a normal population, test at a = 0.05 and state the decision. Ho: ? = 13 HA: ?< 13 X = 10 s = 0.7 n = 9 Question 5. Flooding is not uncommon in Florida. An article in the local newspaper reported that 52% of Florida homeowners have flood insurance. Researchers at a research organization wanted to examine this claim. They believed the percentage was different than what was reported in the newspaper. They decided to survey 500 homeowners and found that 233 of them had flood insurance. Conduct a test at a = 0.10. Question 6. Test at a = 0.01 and state the decision. Ho: p = 0.75 HA: P = 0.75 X = 306 n = 400


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