A normal population has a mean of 21.0 and a standard deviation
of 5.0.
a.) Compute the z value associated with 24.0
c.) What proportion of the population is less than 18.0? (Round
z-score computation to 2 decimal places and your final answer to 4
decimal places.)
A normal population has a mean of 21.0 and a standard deviation of 5.0. a.) Compute...
A normal population has a mean of 18.3 and a standard deviation of 5. Refer to the table in Appendix B.1 a. Compute the z-value associated with 25.0. (Round the final answer to 2 decimal places.) z = b. What proportion of the population is between 18.3 and 25.0? (Round z-score computation to 2 decimal places and the final answer to 4 decimal places.) Proportion c. What proportion of the population is less than 18.0? (Round z-score computation to 2...
A normal population has a mean of 19 and a standard deviation of 5. a. Compute the z value associated with 22. (Round your answer to 2 decimal places.) Z 0.60| b. What proportion of the population is between 19 and 22? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.) Proportion c. What proportion of the population is less than 14? (Round z-score computation to 2 decimal places and your final answer to...
A normal population has a mean of 18 and a standard deviation of 5. a. Compute the z value associated with 24. (Round your answer to 2 decimal places.) 2 1.20 b. What proportion of the population is between 18 and 24? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.) Proportion c. What proportion of the population is less than 13? (Round z-score computation to 2 decimal places and your final answer to...
A normal population has a mean of 11.2 and a standard deviation of 3.4. Refer to the table in Appendix B.1. a. Compute the z-value associated with 14.3. (Round the final answer to 2 decimal places.) z = b. What proportion of the population is between 11.2 and 14.3? (Round z-score computation to 2 decimal places and the final answer to 4 decimal places.) Proportion c. What proportion of the population is less than 10.0? (Round z-score computation to 2...
A normal population has a mean of 68 and a standard deviation of 6. You select a sample of 52. Compute the probability that the sample mean is (round z score 2 decimals and final answer 4): 1) Less than 67 2) Between 67 and 69. 3) 69 and 70 4) greater and 70
A normal population has a mean of 62 and a standard deviation of 14. You select a random sample of 9. Compute the probability the sample mean is: (Round z values to 2 decimal places and final answers to 4 decimal places.) (a) Greater than 64. Probability (b) Less than 58. Probability (c) Between 58 and 64. Probability
A normal population has a mean of 64 and a standard deviation of 24. You select a random sample of 32. Use Appendix B.1 for the z-values. Compute the probability that the sample mean is: (Round the final answers to 4 decimal places.) a. Greater than 67. Probability b. Less than 60. Probability c. Between 60 and 67. Probability
A normal population has mean = 7 and standard deviation - 7. (a) What proportion of the population is less than 19? (b) What is the probability that a randomly chosen value will be greater than 47 Round the answers to four decimal places Part 1 of 2 The proportion of the population less than 19 is Part 2 of 2 The probability that a randomly chosen value will be greater than 4 is
A normal population has a mean of 75 and a standard deviation of 5. You select a sample of 40. Use Appendix B1 for the z values Compute the probability that the sample mean is: (Round the zvalues to 2 decimal places and the final answers to 4 decimal places.) a. Less than 74 Probability 09 b. Between 74 and 76. Probability c. Between 76 and 77 Probability d. Greater than 77 Probability Not > 3 of 4 < Prey...
A normal distribution has a mean of 60 and a standard deviation of 10. Refer to the table in Appendix B.1. Determine the value above which 80 percent of the values will occur. (Round z-score computation to 2 decimal places and the final answer to 2 decimal places.) X