Write equation for directrix and endpoints of focal chord
Provided: y^2 = -12x a. Find direction where the parabola opens? b. Write the value for p. c. Write equation for directrix. d. Write focal point(focus). e. Write endpoints of focal chord.
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Determine the probability that a simple random sample of 40 two bedroom apartments will offer a sample mean monthly rental in +- $25 of the population mean?
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