University of Central Florida Statistical Math Simple Questions

I’m working on a statistics exercise and need an explanation and answer to help me learn.

Q1/ Consider the statement “65% of US households celebrated Halloween in some way.”

a. What is the implied population?

b. What is the variable?

c. What parameter is used in the statement?

Q2/ You are going to conduct a hypothesis test to validate the claim that 65% of US households celebrated Halloween. What is the alternate hypothesis for the test? chose one of the following options

a/ p > 0.65

b/ p = 0.65

c/ p < 0.65

d/p not equal to 0.65

Q3/ A professor believes that at least 60% of her students are from Florida. If you were to conduct a hypothesis test to determine the validity of the statement, what is the alternate hypothesis for the test?

a/p = 0.60

b/p > 0.60

c/p < 0.60

d/p > 0.60

Q4/What are the two conclusions or decisions that can result from a hypothesis test?

Q5/ An article recently stated that 90% of Americans will celebrate Thanksgiving with family. You conducted a hypothesis test at the .05 level to determine the validity of the claim. You obtained a P value of 0.92. What decision should you make?

a/I have no earthly idea!

b/Fail to reject the null hypothesis. I can support the claimed proportion of 90%

c/Fail to reject the null hypothesis. I have proven that the claimed proportion of 90% is correct

d/Reject the null hypothesis. I cannot support the claimed proportion of 90%.