claim: most adults would erase all of their personal information online if they could. a software firm survey of 586 randomly selected adults showed that 63% of them would erase all of their personal information online if they could. complete parts (a) and (b) below.

a. express the original claim in symbolic form. let the parameter represent the adults that would erase their personal information. p greater than 0.5 (type an integer or a decimal. do not round.)

b. identify the null and alternative hypotheses.

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.