A 0.14 km wide river flows with a uniform speed of 4.0 m/s t…
A 0.14 km wide river flows with a uniform speed of 4.0 m/s toward the east. It takes 24 s for a boat to cross the river to a point directly north of its departure point on the south bank. What is the speed of the boat relative to the water?
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Suppose the population of prices people pay for coffee at a high-end coffee shop are believed to be normally distributed. If one individual’s price from the population is selected at random and the z-score for this individual price is found to be z = 1.92, which statement best describes the meaning of this z-score?
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