Question

Write the dam matematically and identity and H ) Find the critical value(s) and identify the reaction region . (e) Find the standardized testatistic (d) Decide whether to reject or fail to reject the null hypothesis medical researcher says that least 24% of us are smokers. In a random sample of 250 auts, 228% say they are smokers. A 0.01, do you have enough evidence lo meject the researcher's clain? Which of the following correctly at Ho and H.? OA Hp2024 1024 OD. HE P024 HD024 OBH D024 Hip024 OEHP024 HP024 OC Mp>024 Hip50 24 OF. Hop<0.24 HD2024 What are the calls)o? use a comma to separate meded. Round to wo decimal places as needed.) Which of the towing graphs has the reaction region shaded correct? OC What is the standardized tests Which of the following is recome conclusion for the O Fotot y. There is enough to reject the daim that least 24% of F .There is not enougerence to r eclamat me O OB Reject OD. There is not enough we ca n There is enough evidence to meet reclama last 24 f ree

Answer 1

Here given that sample pro portion : p = 0.228 po = 0.24 , n=250 X = 0.01 Test of hypothesis Ho! p = 0.24 xls by Critical value (20) is a H, : P > 0.24 ZQ = [2.33 Rejection region ! -Zo Zo c) Test statistic : р – Po z = Polo 0.228 -0.26 10.24) (0.767 250