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Assume that x has a normal distribution with the specified mean and standard deviation. Find the

indicated probability. (Enter a number. Round your answer to four decimal places.)

μ = 20; σ = 4.2

P(x ≥ 30) = 

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P ( x 30) =... View the full answer

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Appendix C Statistical Tables
Table IV Standard Normal Distribution Table (continued)
The entries in this table give the
cumulative area under the standard
normal curve to the left of z with...

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