Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.) ? = 106; ? = 14 P(x ≥ 120) =
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Step 1
First, we need to standardize the value of 120 using the formula: z = (x - μ) / σ where x is the value we want to find the probability for, μ is the mean, and σ is the standard deviation. So, in this case: z = (120 - 106) / 14 = 1 Show more…
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