Mathematics, 13.07.2019 21:20 travawnward
Suppose that the national average for the math portion of the college board's sat is 532. the college board periodically rescales the test scores such that the standard deviation is approximately 100. answer the following questions using a bell-shaped distribution and the empirical rule for the math test scores.
if required, round your answers to two decimal places.
(a) what percentage of students have an sat math score greater than 632?
%
(b) what percentage of students have an sat math score greater than 732?
%
(c) what percentage of students have an sat math score between 432 and 532?
%
(d) what is the z-score for student with an sat math score of 620?
(e) what is the z-score for a student with an sat math score of 405?
Answers: 2
Mathematics, 21.06.2019 13:30, tiniecisneros28
There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part
Answers: 1
Mathematics, 21.06.2019 14:00, etxchrissy
Which graph represents the solution of the inequality?
Answers: 1
Mathematics, 21.06.2019 18:20, mairealexander87
The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?
Answers: 2
Suppose that the national average for the math portion of the college board's sat is 532. the colleg...
Chemistry, 20.07.2019 10:30
Mathematics, 20.07.2019 10:30
Physics, 20.07.2019 10:30
Mathematics, 20.07.2019 10:30