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?
The manufacturer can make at most 110 units of certain product each year. Maximum profit which corresponds to profit-maximizing output is?
In a sample of 9 workers, determine the probability that exactly three workers take public transportation daily (to 4 decimals)? In a sample of 9 workers, determine the probability that at least three workers take public transportation daily (to 4
A university found that the 30% of its students withdraw without completing the introductory statistics course. Suppose that 20 students registered for the course.
In a large class, the midterm had the average of 50 points with SD of 22. The final scores averaged out to 60 with SD of 20. The correlation between midterm as well as final scores was 0.60. The scatter diagram was football-shaped. Of the students
Determine the formula for exponential function V=h(t) which provides value of the item initially worth $5000 which loses half its value every 5 years.
A random variable X has a distribution with pdf p(x) = ((x^2)/16)*exp(-x/2) when x>0 and p(x) = 0 whenever x<0. What is the mean and variance of X?
Suppose exponential growth, determine the formula for number of cells p(t) in colony after t hours. How long will it take for colony to triple in size?
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