, 08.11.2019 05:31 rodneisha1313

# Agrocery store has an average sales of $8000 per day. the store introduced several advertising campaigns in order to increase sales. to determine whether or not the advertising campaigns have been effective in increasing sales, a sample of 64 days of sales was selected. it was found that the average was$8300 per day. from past information, it is known that the standard deviation of the population is $1200.(provide mathematical steps and explanations in detail to receive full credit.) the researcher would like to test the following hypothesis : ? ? ? 8,000 : ? ? > 8,000 (a) calculate the value of the test statistic. let ? =0.05 (b) what is the conclusion based on the critical value approach? let ? =0.05 (c) what is the conclusion based on the p-value value approach? let ? =0.05 Answers: 1 ### Another question on Mathematics Mathematics, 21.06.2019 15:00 The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters. Answers: 1 Mathematics, 21.06.2019 15:50 If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g Answers: 1 Mathematics, 21.06.2019 20:00 Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43. Answers: 1 Mathematics, 21.06.2019 22:00 Harry and jay are both flying on the same plane with an airline that randomly assigns seats to passengers. of the 182 total seats on the plane, 62 are window seats, 58 are middle seats, and the rest are aisle seats. what is the approximate probability that both harry and jay will be assigned aisle seats on the same plane? a. 11.48% b. 3.3% c. 2.08% d. 26.26% Answers: 3 You know the right answer? Agrocery store has an average sales of$8000 per day. the store introduced several advertising campa...
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