The cost of a daily newspaper varies from city to city. However, the variation among prices remains steady with a standard deviation of 20. A study was done to test the claim that the mean cost of a daily newspaper is $1.00. Twelve costs yield a mean cost of 954 with a standard deviation of 18c. What type of distribution is this? A. Student t distribution O B. Normal - single population mean O C. Normal for a single proportion QUESTION 8 The cost of a daily newspaper varies from city to city. However, the variation among prices remains steady with a standard deviation of 20. A study was done to test the claim that the mean cost of a daily newspaper is $1.00. Twelve costs yield a mean cost of 954 with a standard deviation of 18c. What type tail test is this? O A. two tailed O B. left tailed O C. right tailedThe cost of a daily newspaper varies from city to city. However, the van'ation among prices remains steady with a standard deviation oi 20. A study was done to test the claim that the mean cost of a daily newspaper is $1.00. Twelve costs yietd a mean cost of 95 with a standard deviation of 18. 1} What is the p value? to 2 decimal places 2] Does the data support the claim at the 1% level? yes or no QUESTION 10 The cost of a deity newspaper varies from city to city. However, the van'ation among prices rema'rns steady with a standard deviation oi 2W. A study was done to test the claim that the mean cost of a daily newspaper is $1.130. Twelve costs yield a mean cost of 95 with a standard deviation of 18. What is the decision you should make regarding the hypothesis? O A. Do not reject the null O B. Reject the null O C. No decision can be made