A Manufacturer of Power Tools Claims That the Mean Amount

question 67

Short Answer

A manufacturer of power tools claims that the mean amount of time required to assemble their top-of-the-line table saw is 80 minutes with a standard deviation of 40 minutes.Suppose a random sample of 64 purchasers of this table saw is taken.The mean of the sampling distribution of the sample mean is _____ minutes.

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Definitions:

Wen Shu

A bodhisattva associated with wisdom in Mahāyāna Buddhism, often depicted holding a scroll or book.

Flowers

Reproductive structures of flowering plants, celebrated and depicted in art for their beauty and symbolic meanings.

Shitao

A Chinese monk and painter of the Qing Dynasty, known for his innovative landscape paintings and calligraphy.

Handscroll

A long narrow piece of paper or silk, used in East Asian art for painting and calligraphy, viewed by unrolling horizontally.