STA 2023-Spring 2018 Ret 7097 Test: EXAM3 This Question: 1 pt Martha Luz Dora ?

Question

STA 2023-Spring 2018 Ret 7097 Test: EXAM3 This Question: 1 pt Martha Luz Dora ? l 47,18 2:00 PM Submit Test 414 of 25 (21 complete) This Test: 25 pts possible Anual incomes ane known to have a dintibution thut is skewed to the right instead of being nomally distbuted Assume that we collect a large (n 3 30) random sample of annual incomes. Can the desribution of incomes in that samplo be appraimated by a nomal dshbution because the sample is larger? Why o why not? Choose the conrect answrer below O A. Yes; the sample sizre is over 30, so the sample of incomes will be normaly distributed e C. No, the population of incomes is not normaly disbibuted, so the sample means will nct be nomully distributed for any sample sire O D. Ne, the sample means will be normally distributed, but the sample of incomes will be skewed to the right Cack to select your answer O Type here to search 3 5 6 8

Explanation / Answer

Yes , The sample size is over 30, the sample of incomes are approximetly normal diatribution. Using Central limit theorem.

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