kingDev4621 kingDev4621

25-11-2022
Mathematics

Answered

The College Board reports that the in 2016, the mean mathematics SAT score was 515, and the standard deviation was 116. A sample of 65 scores is chosen from the population of all SAT scores. Find the probability that the sample mean score is less than 500.
34. Find the probability that the sample mean score is between 480 and 520.
(a) .1358 (b) .3475 (c) .6293 (d) .3707 (e).6923
35. Find the 80th percentile of the sample mean.
(a) 613 (b) .8416 (c) 97.62 (d) 417 (e) 631
36. Would it be unusual if the sample mean were greater than 550?
(a) No (b) Yes
37. Do you think it would be unusual for an individual to get a score greater than 550?
(a) No (b) Yes

Answer :

Other Questions

In a game, two fair spinners are spun. If the arrows land on different numbers, the score is the higher number. If the arrows land on the same numbers, 47 the s

10. 13. Math 2 Using Inverse Trig: Acute Angles Find the acute angles of each triangle using the inverse of a trig ratio. 1. 4. 39 A 72 A 65 A 15 80 17 4 8 P 2.

Find the measure of

Given that z=x + i y, find the values of real numbers x and y such that z - 4iz' + 3 = 0, when z' is the conjugate of z.THANKS IN ADVANCE!!!

complete the statements about these similar pyramids. The ratio of the height is __ options: 1 : 2.5, 1 : 5, 1 : 10, 1 : 25 The ratio of the surface areas is __

Select the correct answer. Which equation represents the hyperbola in general form? A. (y − 2)2 − (x − 2)2 − 36 = 0 B. y2 − x2 − 4y + 4x − 36 = 0 C. 9y2 −

evaluate (a) ( 12 13) - ( 16 -18) (b) (7 -3) - ( 2 9) (c) ( 7 -3) + (2 9 )

ABC is transformed to form A'B'C' with the following coordinates: A' (-8,2) B' (-4,8) C (0, -2) Which transformation could transform ABC to A'B'C'? Dilation wi

Using the equation y=x²-2x-8 and the x-intercepts (-2,0), (4,0) answer the following: (a) distance between the x-intercepts (b) x-coordinate of the vertex (c)

Using the equation y≥x²+2x-8 and the x-intercepts (-4,0), (2,0) answer the following: (a) distance between the x-intercepts (b) x-coordinate of the vertex (c)