Select the correct answer. the numbers of pages in the books in a library follow a normal distribution. if the mean number of pages is 180 and the standard deviation is 30 pages, what can you conclude?

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?