The annual salaries (in dollars) of 14 randomly chosen fire fighters are listed. At a=0.05, is...

    

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The annual salaries (in dollars) of 14 randomly chosen fire fighters are listed. At a=0.05, is there enough evidence to support the claim that the standard deviation of the annual salaries is different from $5500? Assume the population is normally distributed. Complete parts (a) through (e) below,. 50,749 40,987 52,400 46,490 41,769 40, 184 51,124 o 52,080 43,826 34,894 35,059 28,200 32,714 37.841 E Click the icon to view the Chi-Square Distribution Table. (a) Write the claim mathematically and identify Ha and H O A. Hg o<5500 (Claim): H a 2 5500 O B. Ho a= 5500, H aF5500 (Claim) OC. H a2 5500; H, a<5500 (Claim) O D. Ha os5500 (Claim) Ho> 5500 (b) Find the critical value(s) (Round to three decimal places as needed Use a comma to separate answers as needed ) Identify the rejection region(s) Choose the correct graph below. Click to select your answers) The annual salaries (in dollars) of 14 randomly chosen fire fighters are listed. At a=0.05, is there enough evidence to support the claim that the standard deviation of the annual salaries is different from $5500? Assume the population is normally distributed. Complete parts (a) through (e) below,. 50,749 40,987 52,400 46,490 41,769 40, 184 51,124 o 52,080 43,826 34,894 35,059 28,200 32,714 37.841 E Click the icon to view the Chi-Square Distribution Table. (a) Write the claim mathematically and identify Ha and H O A. Hg o<5500 (Claim): H a 2 5500 O B. Ho a= 5500, H aF5500 (Claim) OC. H a2 5500; H, a<5500 (Claim) O D. Ha os5500 (Claim) Ho> 5500 (b) Find the critical value(s) (Round to three decimal places as needed Use a comma to separate answers as needed ) Identify the rejection region(s) Choose the correct graph below. Click to select your answers)