Question

Alexis Bedard & 6/22/19 10 57 AM Test: Exam 2 Time Remaining: 0159 45 Suomt Test This Question: 1 pt 1 of 19 (0 complete)w This Test: 19 pts possible Data from a recent year showed that 56 % of the tens of thousands of applicants to a certain program were accepted A company that trains applicants dlaimed that 143 of the 220 sudentsit trained that year wore accepted Assume these trainees were representative of the population of applicants Has the company demonstrated a real improvement over the average? Complete parts a through c below a) What are the hypotheses? Which hypotheses below wil testit the company demonstrated improvement over the average? Ho p 0 56 O A. Ha p056 Ho p 06500 HA p 06500 O B O C H p056 Ho p 0 6500 O D. H. p> 6500 Ho p 06500 OE H. BO 6500 Hy p 0 56 OF H. prO 56 b) What is the P-value? P-value (Round to four decimal places as needed)o Cick to select your answens) a O Type here to search 4

Answer 1

Anb Ca Hypotheai H, P>0.56 Nu lypothenf A null y potheois fohypothesa Dignitican that soy there is nostaHiatical be to e en the too vor tables Tt t uoually hpotheais a try to dih prore the perimente reDerch e r ex oTdini rediti (h) P- valu P-volue fothe leutl of morgfn a stotis tical hypotheafs The ignificon teat representing the proba bi lity af ocraen ce give n alternotfut to vejection point a to proviclu the lev oigniffcan e y pothesia with in event Amallest null at hich the out d a rejected. Teo t under Ho X 143 . Ns 22 O 143 220 P 0.56 1-0 S6 O.44 1-P N

0.6 S-0.S6 o S6x o. 44 2 20 O03346 2.689 2 2.69 pvol aoing R We con tind o,, louereta?/ = FALSE) > phorml 2.69,0, lowe r-tafl FALSE) 0 003 S7 P-valu = O 00 36