Sandy is working with a carpenter to frame a house. they are using 8-foot-long boards, but each board must be cut to be 94.6 inches long. how much is cut off each board? (1 foot = 12 inches)

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Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Convert 2000 swiss francs to dutch guilders