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Here are two scenarios that can be answered using an appropriate hypothesis test: One is a 1 sample t-test for a mean and the other

Here are two scenarios that can be answered using an appropriate hypothesis test: One is a 1 sample t-test for a mean and the other is a 1 sample z-test for a proportion.

  1. A company is criticized because only 13 of 43 people in management-level positions are women. The company explains that although this proportion is lower than it might wish, it's not surprising given that women make up only 40% of their industry. What do you think?
  2. The run times for 20 participants at a local 5K race was x =29.2 min with a standard deviation of s=5.67. Is there evidence that the true mean run time for all of the participants is below 30 minutes? A dotplot of the sample data appears to be symmetric with no outliers.

Complete BOTH problems, ensuring tofollowall 5-stepsoutlined in the readings. Pay special attention to explaining how you checked the conditions for the distribution that you name. Feel free to use StatCrunch to perform the calculations for you. The use of the formulas for this assignment is optional.

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