Question

Tools Add-ons Help All changes saved in Drive 11 - BIUAGE - EEEEE! ext . Arial Homework#4 Due Date: Sunday the 3rd of November by midnight Submission: Please type your answers on this Word document and submit your Word document as Homework#4_Your FirstName YourLastName.docx on Blackboard. In 2007, the average conventional first mortgage for new single-family homes was $360,000. Assuming a normal distribution and a standard deviation of a = $30,000, and using the Table of the Standard Normal Cumulative Distribution, what is the probability that a randomly selected first mortgage would have been for an amount 1. 2. a.under $390,000. In other words, P(x < $390,000) = ? b.between $305,000 and $325,000. In other words, P($305,000 < x < $325,000) 3. over $325,000. In other words, P(x > $325,000) = ? MacBook Air a or

Answer 1

с 36oooo P, (x 2 39 oooo) P ( za o ooo -36o ooo) Зоооо 0, (x 39 ooou) - Сz 1) = 0.8ч 139 , Г ооо x < 3ъооо) 10 P, (-1.8 33 424 — 1.16 667) = 0. ) 2 362 - о.о 336 2 - 0 - 0899 О РС хэзэд зор) » ( z -1 -1 ) : 1 - 0 12302 - 0 - 83692