majesty video production inc. wants the mean length of its advertisments to be 27 seconds. assume the distribution of ad length follows the normal distribution with a population standad deviation of 2 seconds.suppose we select a sample of 16 ads produced by majesty. what can we say about the shape of the distribution of the sample mean time?what is the standard error of the mean time?(round to 2 decimal places)
majesty video production inc. wants the mean length of its advertisments to be 27 seconds. assume...
Majesty Video Production Inc. wants the mean length of its advertisements to be 31 seconds. Assume the distribution of ad length follows the normal distribution with a population standard deviation of 2 seconds. Suppose we select a sample of 19 ads produced by Majesty a. What can we say about the shape of the distribution of the sample mean time? Answer is complete and correct. The distribution will normal be b. What is the standard error of the mean time?...
d homework Saved CRA CDs Inc. wants the mean lengths of the "cuts" on a CD to be 135 seconds (2 minutes and 15 seconds). This will allow the disk jockeys to have plenty of time for commercials within each 10-minute segment. Assume the distribution of the length of the cuts follows the normal distribution with a population standard deviation of 8 seconds. Suppose we select a sample of 16 cuts from various CDs sold by CRA CDs Inc. a....
CRA CDs Inc. wants the mean lengths of the “cuts” on a CD to be 140 seconds (2 minutes and 20 seconds). This will allow the disk jockeys to have plenty of time for commercials within each 10-minute segment. Assume the distribution of the length of the cuts follows a normal distribution with a standard deviation of eleven seconds. Suppose that we select a sample of 12 cuts from various CDs sold by CRA CDs Inc. Use Appendix B.1 for...
Power t, Inc. produces AA batteries used in remote-controlled toy cars. The mean life of these batteries follows the normal probability distribution with a mean of 38 hours and a standard deviation of 5.9 hours. As a part of its quality assurance program, Power +, Inc. tests samples of 16 batteries. a. What can you say about the shape of the distribution of the sample mean? normal b. What is the standard error of the distribution of the sample mean?...
Power +, Inc. produces AA batteries used in remote-controlled toy cars. The mean life of these batteries follows a normal distribution with a mean of 37 hours and a standard deviation of 5.6 hours. As a part of its quality assurance program, Power +, Inc. tests samples of 16 batteries. a. What can you say about the shape of the distribution of the sample mean? Sammple mean normal (already have this answered) Round answers to four decimal places....
Power +, Inc. produces AA batteries used in remote-controlled toy cars. The mean life of these batteries follows a normal distribution with a mean of 38 hours and a standard deviation of 5.9 hours. As a part of its quality assurance program, Power +, Inc. tests samples of 16 batteries. a. What can you say about the shape of the distribution of the sample mean? Sample mean (Click to select)NormalUniformBinomial Round answers to four decimal places. b. What...
Power +, Inc. produces AA batteries used in remote-controlled toy cars. The mean life of these batteries follows the normal probability distribution with a mean of 36 hours and a standard deviation of 5.8 hours. As a part of its quality assurance program, Power +, Inc. tests samples of 16 batteries. (20 pts) What can you say about the shape of the distribution of the sample mean? Why? What is the standard error of the distribution of the sample mean?...
27. The daily high temperature for Chattanooga is normally distributed with mean 79 and standard deviation 4. Find the probability that a randomly chosen temperature is between 70 and 75.:* Oa. 0.0122 Ob. 0.1464 Oc. 0.1587 Od. 0.8413 28. At a certain school, 41% of the students play soccer, 30% play volleyball, and 14% play both soccer and volleyball. If a student is chosen at random, find the probability that he/she plays neither soccer nor volleyball.:* O a. 0.71 Ob....
in a recent survey of high school students, it was found that the amount of time spent on rading books per week, was normally distributed with a mean of 23 minutes. Assume the distribution of weekly reading time follows the normal distribution with a population standart deviation of 2 minutes. Suppose we select a sample of 11 high school students. A- What can we say about the shape of the distributiob of the sample mean time? ….. B- What is...
t, Inc. produces AA batteries used in remote-controlled toy cars. The mean l ife of these batterles follows the normal probability distribution with a mean of 35.0 hours and a standard deviation of 5.5 hours. As a part of its quality assurance program, Power Inc. tests samples of 25 batterles. a. What can you say about the shape of the distributi of the sample mean? b. What is the standard error of the distribution of the sample mean? (Round your...