A market research firm conducts telephone surveys with a 45% historical response rate. If 80 individuals...
A market research firm conducts telephone surveys with a 56% historical response rate. If 90 individuals are contacted, find the probability that 51 or more of them will cooperate and respond to the survey questions. a. 0.6274 6.0.4483 OC 0.5517 d. 0.3726 Oe. None of the answers is correct
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?
A market research firm conducts telephone surveys with a 28% historical response rate. What is the probability that in a new sample of 600 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 150/600 = 0.25?
A market research firm conducts telephone surveys with a 38% 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.
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, wha least 15O/400 = .375 (to 4 decimals)? Use z-table. t is the probability that the sample proportion will be at
A market research firm conducts telephone surveys with a 42% 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.
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 isthe probability that the sample proportion will be at least 150/400 = .375?Calculate the probability to 4 decimals.
Exercise 07.51 Algorithmic Question 3 of 3 Check My Work (2 remaining) A market research firm conducts telephone surveys with a 40% 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.
i need help answering these few questions. thank u Exercise 07.51 Algorithmic eBook Exercise 7.51 (Algorithmic) A market research firm conducts telephone surveys with a 41% historical response rate. a. What the probability that in a new sample of 400 telephone numbers, at least 140 individuals will cooperate and respond to the sample proportion will be at least 140/400 -0.357 Calculate the standard error to 4 decimals. 0.0244 Calculate the probability to 4 decimals, showing your steps along the way....
. Fowle Marketing Research, Inc., bases charges to a client on the assumption that telephone surveys can be completed in a mean time of 15 minutes or less. If a longer mean survey time is necessary, a premium rate is charged. A sample of 35 surveys provided the survey times shown in the file named Fowle. Based upon past studies, the population standard deviation is assumed known with σ = 4 minutes. Is the premium rate justified?(a). Formulate the null...