A normal distribution with a mean of -5 and a standard deviation of 4. The shaded region represents the probability of obtaining a value from this distribution that is greater than -9. We are looking for the corresponding region under the standard normal density curve.
Added by Lisa C.
Step 1
First, we need to standardize the value -9 using the formula: z = (x - μ) / σ where z is the standardized score, x is the value we want to standardize (-9 in this case), μ is the mean (-5), and σ is the standard deviation (4). Plugging in the values, we get: z Show more…
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