Can someone please answer just part C8? Thank you! “We’ll examine the results of the 2018 SAT math exam with a mean of 531 and standard deviation of 114, as reported in Table 5.1
1) What percentage of test takers scored lower than 400 on the math SAT?
2) What percentage scored between 600 and 700 points?
3) Your score is 725. What is your percentile rank?

the one on the bottom left

step-by-step explanation:

all of the other ones have a specific pattern

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.