BIN OS. A beer drinker claims that he / she can distinguish Labatt's Blue from other popular brands . In a " triangle test " He / She is presented with three samples of beer , two of which are Molson's Canadian and one of which is Labatt's Blue . He / She is asked to pick out the Labatt's Blue by tasting . Such a test is performed four times , in all , with the beer drinker being presented with three samples of beer on each occasion . If he / she really cannot distinguish the brands ( and is therefore only guessing ) , what is the probability that he / she will correctly identify the Labatt's Blue on three or more occasions ? "\\\\ ( A ) . 028 ( B ) . 037 \\( C ) . 099 ) ( D ) . 1110 ) ( E ) . 313chase BIN 19. An automobile manufacturer has determined that 30 % of all gas tanks that were installed on its 1988 compact model are defective. If 15 cars are recalled by a particular dealer . what is the probability that more than 10 of the 15 will need new gas tanks?! ( A ) 0. 0348 \\( B ) 0. 0564\\ \\( 0) 0 . 0007 ( D ) 0. 9963 ( E ) 0. 9 9 93)BIN 07 . If the proportion of left- handed people in a very large population is 1/5 , the probability of obtaining exactly 2 left- handed people in a random sample of size 4 is ( A ) . 04 ( B ) . 0256 ( C ) . 1531 ( D ) . 1536 ([ ) . 3072A new company receives a very large shipment of computer chips from a discount broker. Unknown to the company, 10% of the computer chips are defective. The company decides to accept the shipment if fewer than two of 20 randomly selected computer chips are found to be defective. The probability that the shipment is accepted is: id od (A) 0.3917 .X Innes ott lo poiludibath edT (B) 0.3231 (C) 0.1216 (D) 0.1330 (E) 0.6769 nal labs doso no Repootie tocy Jnomspeid pitidodong rollBIN 12. A manufacturer produces a certain kind of cereal. Suppose the weight of each box of their product is normally distributed with mean 500 grams and standard deviation 10 grams. A customer bought three boxes of this type of cereal. The probability that among three boxes. two of them contain less than 500 grams is: (A) 0 (B) 0.125 (C) 0.375 (D) 0.667 (E) 50 RIN 12BIN 25. There are four patients on the Neo-Natal Ward of a local hospital who are monitored by two staff members. Suppose the probability (at any one time) of a patient requiring emergency attention by a staff member is .3. Assuming the patients behave independently, what is the probability at any one time that there will not be sufficient staff to attend all emergencies? Of nedi gnom Jarl (A) .0756 (B) .3000 (C) .0837 (D) .9163 000.0() (E) .2646 1020.0 (8) 8PE0.0 50
