A normally shaped population distribution has μ = 55 and a σ = 5. If samples of size n = 20 are drawn at random, what range of sample means would be expected to occur 98% of the time?

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The Answer of A normally shaped population distribution has μ = 55 and a σ = 5. If samples of size n = 20 are drawn at random, what range of sample means would be expected to occur 98% of the time?

A Normally Shaped Population Distribution Has μ = 55 and a σ