The author of some young adult books wants to know more about the kinds of books his reader prefers. Which of the following describes the best sampling of readers for the author to use in a survey? 5,000 young adults who visit the mall on a particular day

5,000 librarians who are registered to a national librarians organization

5,000 customers who have just purchased ebooks from a website

5,000 middle school students in his city

An apartment has a replacement cost of $950,000 and contents valued at $1,450,000. it has a classification of a and a territory rating of 3. find the annual premium a) $10,185 b) $9,230 c) $3,155 d) $13,830

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5