Rbe the orthogonal projection outo spanu and let r (4] let u fiud the rauk and nullity of p. fa) describe the image and kernel of (b) find the standard matrix of p

Plz which expression is equivalent to the expression below?

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Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%