Question

The mayor of a town has proposed a plan for the annexation of a new bridge. A political study took a sample of 900 voters in the town and found that 49 % of the residents favored annexation. Using the data, a political strategist wants to test the claim that the percentage of residents who favor annexation is over 45 %. Testing at the 0.05 level. Is there enough evidence to support the strategist's claim? Step 1 of 7: State the null and alternative hypotheses. Answer 2 Points Tables in Keypad Keyboard Shortcuts < Ho Prev Ne H.

Answer 1

sal: Hypothesis ! 1 . Ho :P I 0,45 Hal 0.45 P> 2. Z Ñ -P where, p = 0.49 P(1-P) n n = goo P=0.45 0.49 -0.45 9.41909 = 0:4511-0.45) goo Z 9.41 This is one -tailed test 3. 4 . P-value = Plz> 9.41) = 0.0080 5. The level of significance (a)=0.05 6. P-value < 2-0.05. so, We reject the null hypothes's option (A) is carred.