Question: For this question, please use the standard normal distribution table, Table A2. It has been estimated that the mean time required to complete a project

For this question, please use the standard normal distribution table, Table A2. It has been estimated that the mean time required to complete a project is 20 weeks and the variance of project completion time is 9 weeks. What is the probability that the project will be completed in 23 weeks?
| 34% | ||
| 50% | ||
| 68% | ||
| 84% |
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