Suppose that the national average for the math portion of the college board's sat is 510. 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. if your answer is negative use "minus sign". (a) what percentage of students have an sat math score greater than 610? % (b) what percentage of students have an sat math score greater than 710? % (c) what percentage of students have an sat math score between 410 and 510? % (d) what is the z-score for student with an sat math score of 625? (e) what is the z-score for a student with an sat math score of 415?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.