Complete parts (a) through (d) for the sampling distribution of the sample mean shown in the accompanying graph. W Click the icon to view the graph. Sampling Distribution (a) What is the value of p;? The value of u; is 500 . (b) What is the value of o;? The value of o; is 40. (c) If the sample size is n=9, what is likely true about the shape of the population? A. The shape of the population is skewed left. 460 500 540 B. The shape of the population is approximately normal. The distribution is normal. The locations of the C. The shape of the population is skewed right. peak and inflection points are shown. D. The shape of the population cannot be determined. (d) If the sample size is n=9, what is the standard deviation of the population from which the sample was drawn?

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