How would you describe the effect that doubling the sample size would have on the width of a one-proportion confidence interval, if the confidence level and sample proportion remain the same? The new interval would be about one-fourth the size of the previous interval. The new interval would be about half the size of the previous interval. The new interval would be about 70% the size of the previous interval. The new interval would be about 140% the size of the previous interval. The new interval would be about double the size of the previous interval.

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle