# a) State the null and alternative hypotheses for testing if there is evidence of

a) State the null and alternative hypotheses for testing if there is evidence of a difference in the variabilities of the amount of time required to reach a customer service representative between the two hotels.
b) What is the value of the test statistic for testing if there is evidence of a difference in the variabilities of the amount of time required to reach a customer service representative between the two hotels? Explain how you obtain your answer.
c) What is the critical value for testing if there is evidence of a difference in the variabilities of the amount of time required to reach a customer service representative between the two hotels at the 5% level of significance? Explain how you obtain your answer.
d) Suppose α = 0.05. Which of the following represents the correct conclusion for a test on a difference in the variabilities of the amount of time required to reach a customer service representative between the two hotels? Show how you obtain your answer.
A) There is no evidence of a difference in the variabilities of the amount of time required to reach a customer service representative between the two hotels.
B) There is evidence of a difference in the variabilities of the amount of time required to reach a customer service representative between the two hotels.
C) There is no evidence that the variabilities of the amount of time required to reach a customer service representative between the two hotels are the same.
D) There is evidence that the variabilities of the amount of time required to reach a
Question 9a) A) H0 : π1 – π2 = 0 versus H1: π1 – π2 ≠ 0b).For 150 salesperson it has 66% =.66160 salesperson has 60% =.60Therefore the difference would be.66-.60=0.06=.06c) rsolution…