A local bottling company has determined the number of machine breakdowns per month and their respective probabilities as shown below. Number of   Breakdowns Probability 0 .12 1 .38 2 .25 3 .18 4 .07 The probability of at least 3 breakdowns in a month is _____.   a. .30     b. .5     c. .10     d. None of these answers are correct

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ISBN:9780470458365
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A local bottling company has determined the number of machine breakdowns per month and their respective probabilities as shown below.



Number of  
Breakdowns Probability
0 .12
1 .38
2 .25
3 .18
4 .07


The probability of at least 3 breakdowns in a month is _____.
  a. .30  
  b. .5  
  c. .10  
  d. None of these answers are correct. 
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