Question 6 Heights of plants after one year are normally distributed with a mean of 7.84 inches and a standard deviation of 0.95 inches. If a plant is at the 10th percentile, how tall is it? 7.0463 inches 6.6225 inches 6.8303 inches 6.9065 inches
Added by Pablo R.
Step 1
To find the z-score, we use the formula: z = (X - μ) / σ where: X = height of the plant μ = mean height of plants (7.84 inches) σ = standard deviation (0.95 inches) Using the z-score table or a calculator, we find that the z-score corresponding to the 10th Show more…
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