The foraging behavior of the western pygmy-possum was investigated in the article Strategies of a Small Nectarivorous

Question:

The foraging behavior of the western pygmy-possum was investigated in the article "Strategies of a Small Nectarivorous Marsupial, the Western Pygmy-Possum, in Response to Seasonal Variation in Food Availability" (Journal of Mammalogy, Vol. 96, No. 6, pp. 1525-1535) by D. Morrant and S. Petit. The weights of adult male pygmy-possums in Australia are normally distributed with a mean of 8.5 g and a standard deviation of 0.3 g.
a. Sketch the normal curve for the pygmy-possum weights.
b. Find the sampling of the sample mean for samples of size 4. Draw a graph of the normal curve associated with x̅.
c. Repeat part (b) for samples of size 9.
Distribution
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