A shipment to a warehouse consists of 2,750 MP3 players. The manager chooses a random sample of 50
MP3 players and finds 6 that are defective. How many MP3 players in the shipment are likely to be
defective?

MP3 players in the shipment which are likely to be defective is 330.

Step-by-step explanation:

•Probability is event of an occurrence which is uncertain.

•Probability always lies between 0 to 1.

•The sample of 50 MP3 has 6 defective, to solve it has to be converted.

•Convert percentage in 100 multiply numerator and denominator by 2.

•Result is 6/50 converted to 12/100, bring it to 0.12%.

•12% is defected in 100% of sample.

•It is found here that 2750 is the population and 12% of 2750.

•2750 * 0.12 = 330, defective pieces in 2750.

•There are three types of Classical,Empirical or Experimental.

•Classical are ‘n’ number of events find the probability occurrence.  

•Empirical or experimental is purely based on events.

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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