12) -
12) a recent survey of gasoline prices indicated that the national average was $4.098 per
gallon. the dallas automobile club claimed that gasoline in texas was significantly
lower than the national average. a survey covering 10 different suburbs in dallas
found the average price of gasoline to be $3.924 per gallon with a population standard
deviation of $0.053. what critical value should be used to test the claim using
a= 0.01?
a) -2.33
b) 1.26
c) 2.33
d) -1.26

Joanie watched 1 out of three of a movie in the morning

Write the contrapositive of the conditional statement. determine whether the contrapositive is true or false. if it is false, find a counterexample. a converse statement is formed by exchanging the hypothesis and conclusion of the conditional. a) a non-converse statement is not formed by exchanging the hypothesis and conclusion of the conditional. true b) a statement not formed by exchanging the hypothesis and conclusion of the conditional is a converse statement. false; an inverse statement is not formed by exchanging the hypothesis and conclusion of the conditional. c) a non-converse statement is formed by exchanging the hypothesis and conclusion of the conditional. false; an inverse statement is formed by negating both the hypothesis and conclusion of the conditional. d) a statement not formed by exchanging the hypothesis and conclusion of the conditional is not a converse statement. true

How does the graph of y = 3x compare to the graph of y = 3-x?