Solve the equation
6.5=-3+n

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

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?

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