Mathematics, 21.02.2020 00:34 yrkfred1440
The mathematics section of a standardized college entrance exam had a mean of 19.8 and an SD of 5.1 for a recent year. Assume these are well modeled by a Normal distribution. a) About what percent of students scored over 32? b) About what percent of students scored under 17? c) About what percent of students scored between 17 and 32?
Answers: 3
Mathematics, 21.06.2019 18:00
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
Answers: 1
Mathematics, 21.06.2019 19:30
Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit
Answers: 2
Mathematics, 21.06.2019 20:20
Consider the following estimates from the early 2010s of shares of income to each group. country poorest 40% next 30% richest 30% bolivia 10 25 65 chile 10 20 70 uruguay 20 30 50 1.) using the 4-point curved line drawing tool, plot the lorenz curve for bolivia. properly label your curve. 2.) using the 4-point curved line drawing tool, plot the lorenz curve for uruguay. properly label your curve.
Answers: 2
Mathematics, 21.06.2019 22:30
An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount
Answers: 1
The mathematics section of a standardized college entrance exam had a mean of 19.8 and an SD of 5.1...
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