: Homework 2 Chapter 7 Assignment Score: 0.00 Save Save actor Submit Assignment for Grading E- Exit su Exercise 07.41 Algorithmic Question 2 of 3 Check My Work (2 remaining) The Food Marketing Institute shows that 18% of households spend more than $100 per week on groceries. Assume the population proportion is p = 0.18 and a sample of 800 households will be selected from the population. Use z-table. a. Calculate o(p), the standard error of the proportion of households spending more than $100 per week on groceries (to 4 decimals). b. What is the probability that the sample proportion will be within +/- 0.03 of the population proportion (to 4 decimals)? c. What is the probability that the sample proportion will be within +/- 0.03 of the population proportion for a sample of 1,300 households (to 4 decimals)? Check My Work (2 remaining) 10 Icon Key Tennis Llararithmit Save Exit Submit Assignment for Grading actor Exercise 07.51 Algorithmic Question 3 of 3 Check My Work (2 remaining) A market research firm conducts telephone surveys with a 44% historical response rate. What is the probability that in a new sample of 400 telephone numbers, at least 150 individuals will cooperate and respond to the questions? In other words, what is the probability that the sample proportion will be at least 150/400 = .375 (to 4 decimals)? Use z- table. Check My Work (2 remaining) 0 Icon Key Tercise BLAlarithmic Die e du meton CNG 11:53 AM 10/14/2019 : Homework 2 Chapter 7 Assignment Score: 0.00 Save Save actor Submit Assignment for Grading E- Exit su Exercise 07.41 Algorithmic Question 2 of 3 Check My Work (2 remaining) The Food Marketing Institute shows that 18% of households spend more than $100 per week on groceries. Assume the population proportion is p = 0.18 and a sample of 800 households will be selected from the population. Use z-table. a. Calculate o(p), the standard error of the proportion of households spending more than $100 per week on groceries (to 4 decimals). b. What is the probability that the sample proportion will be within +/- 0.03 of the population proportion (to 4 decimals)? c. What is the probability that the sample proportion will be within +/- 0.03 of the population proportion for a sample of 1,300 households (to 4 decimals)? Check My Work (2 remaining) 10 Icon Key Tennis Llararithmit Save Exit Submit Assignment for Grading actor Exercise 07.51 Algorithmic Question 3 of 3 Check My Work (2 remaining) A market research firm conducts telephone surveys with a 44% historical response rate. What is the probability that in a new sample of 400 telephone numbers, at least 150 individuals will cooperate and respond to the questions? In other words, what is the probability that the sample proportion will be at least 150/400 = .375 (to 4 decimals)? Use z- table. Check My Work (2 remaining) 0 Icon Key Tercise BLAlarithmic Die e du meton CNG 11:53 AM 10/14/2019