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(05.04 MC)  Two opposing opinions were shown to a random sample of 2,150 buyers of a particular political news app in the United States. The opinions, shown in a random order to each buyer, were as follows:Opinion A: The issue of equal pay is more important than increasing the minimum wage.Opinion B: Increasing the minimum wage is more important than the issue of equal pay.Buyers were to choose the opinion that most closely reflected their own. If they felt neutral on the topics, they were to choose a third option of “Neutral.”The outcomes were as follows:50% chose Opinion A, 42% chose Opinion B, and 8% chose “Neutral.”Part A: Create and interpret a 99% confidence interval for the proportion of all US buyers of this particular app who would have chosen Opinion B. (5 points)Part B: The number of buyers that chose Opinion B and the number of buyers that did not choose Opinion B are both greater than 10. Why must this inference condition be met? (5 points) (10 points)

The sugar present in DNA is aldohexose or aldopentose ?

Determine if the graph is symmetric about the x-axis, the y-axis, or the origin. r = -3 + 3 sin θ (5 points)

Determine if the graph is symmetric about the x-axis, the y-axis, or the origin. r = -2 + 3 cos θ (5 points)

A railroad tunnel is shaped like a semiellipse, as shown below.   The height of the tunnel at the center is 54 ft, and the vertical clearance must be 18 ft at a point 8 ft from the center. Find an equation for the ellipse. (5 points)

(05.05 LC)  A random sample has been taken from a population. A statistician, using this sample, needs to decide whether to construct a 95% confidence interval for the population mean or a 99% confidence interval for the population mean. How will these intervals differ? (4 points)

Find the standard form of the equation of the parabola with a focus at (0, -10) and a directrix at y = 10. (5 points)

Will bacteria living in hot springs have more saturated or unsaturated fatty acids?  Give reason for your answer.    

(05.01 LC)  A study of pet owners included 752 owners who were chosen at random. Of these pet owners, 63% said they had spayed or neutered their pets. Vet records show that only 39% of pet owners spay or neuter their pets. Identify the statistic and the parameter. (4 points)

Find the rectangular coordinates of the point with the polar coordinates. (5 points)