Dempsey\'s Garage repairs domestic and import cars. The following table shows th

Question

Dempsey's Garage repairs domestic and import cars. The following table shows the number of cars that have been serviced by age and type during the last month. The probability that a randomly selected car from this group was an import is _________. 0.35 0.40 0.44 0.60 A statistics class at Wilmington College has 25 students of which 15 are math majors and 10 are business majors. The professor randomly selects five students to work together a group project. What is the Probability, that three or four of the students in this group are business majors? 0.1350 0.2154 0.2965 0 4461

Explanation / Answer

Solution:-
27) option B. 0.40

28) option C. 0.2965

Explanation:- (10C3 * 15C2)/25C5 + (10C4 * 15C1)/25C5
  
= 0.2372 + 0.0593
  
= 0.2965

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