Question

Question Hep ted wmo»28second ugh of»-645seconds Assuningdi ehrough tnes are normaly da Asreported by a recent survey the fast food restaurant with the best drie-throughtinsehad a me antene spent inthe driv6쉬 complete parts (a) through (d) below The probability is 1587 (Round to four decimal places as needed) (b) What is the probability that a randomly selected car will spend more than 70 8 seconds in the drivethrough? The probability is 0122 Round to four decimal places as neede) (c) What proportion of cars spend between 61.7 and 70 8 seconds in the drive-through? 8291 (Round to four decimal places as needed ) (d) Would t be unusual for a car to spend more than 70 8 seconds in the drive through? O A. Yes, because the probabity of candomly choosing a car that waits more than 70 8 seconds in the B. No. because the probability of randomly chossing a car that walts more rough is less than 5% No because the probablity of randomly choosing a car that was more than 70 Yes because the probabity of tandoney choosing car that waits more than 70 8 seconds n me divenough-greater than 5% 8 seconds in the drive C. D.

Answer 1

x be denoted by Tandomy sel ected car or G The probabitiry is oS37 spene The pro babiiy thot a randomlsy seleched ea spend mox han 70.8 seconds The (S 70. 8) 64 and 2 usingズtab le ave ceto And 0:98 78 iriy thot d raxdamhy

seleatedl car oil spend mox man zo second 378 (c)_hlhat pyopovHon of cans spend betわ 617 avd o 8 seconou in he dive thoul 6 0.32g) The pro porhon o CaYs spend bettoeen 61:2 and 208 seoo nd」 in me dire touyi is 8191.

wod it be ewnusMad for a cay to spend mort thonTs seconds in me mendom choosin a Ca setonda tbrough a rceter than t) -그 o:8 in the drive. -.. more-tha
a)the taking a dirrectly probability is

The probability is 0.1587

b) the probability that a randomly selected car will spend more than 70.8 second is , 0.9878

C)the proportion of cars spend between 61.7 and 70.8 second in the drive through is 0.8291