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1. What percentile is a z-score of 1.78? 2. Suppose the average length of hellbenders is 23.4 inches with a standard deviation of 1.5 inches. Suppose...
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Please help and I will love to see the visual of it on a normal curve if you can. Thank you.

Screen Shot 2020-06-25 at 9.48.27 PM.png

Screen Shot 2020-06-25 at 9.48.27 PM.png
1. What percentile is a z-score of 1.78? 2. Suppose the average length of hellbenders is 23.4 inches with a standard deviation of 1.5 inches. Suppose you find a hellbender with length of 25.6 inches. What percent of hellbenders
are greater than its length? 3. Again, suppose the average length of hellbenders is 23.4 inches with a standard deviation of 1.5 inches. You find a sample of 100 hellbenders. What is the probability that this group of
hellbenders has a sample mean between 23 and 24 inches?

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