# Question

Find the z-score that has an area of 0.75 to its left under the standard normal curve.

## Answer to relevant Questions

The area under the density curve that lies to the right of 15 is 0.324. What percentage of all possible observations of the variable a. Exceed 15? b. Are at most 15? Determine z0.015. In this section, we mentioned that the total area under any curve representing the distribution of a variable equals 1. Explain why. A variable is normally distributed with mean 0 and standard deviation 4. Find the percentage of all possible values of the variable that a. Lie between −8 and 8 b. Exceed −1.5 c. Are less than 2.75 From the paper “Effects of Chronic Nitrate Exposure on Gonad Growth in Green Sea Urchin Strongylocentrotus droebachiensis” (Aquaculture, Vol. 242, No. 1–4, pp. 357–363) by S. Siikavuopio et al., we found that weights ...Post your question

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