STATT2REW-SP2010

STATT2REW-SP2010 - Math 1342 TEST # 2 (Review) NAME:

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Unformatted text preview: Math 1342 TEST # 2 (Review) NAME: ___________________________________ 1) How many four- digit ID tags can be made if the first digit can't be 0 or 9 and repetition are not allowed. A) 1680 B) 672 C) 1008 D) 2520 E) 4032 2) How many different signals can be made by using at at most 2 distinct flags if there are five flags to choose from ? A) 20 B) 25 C) 26 D) 300 E) 320 3) There are 12 boys and 10 girls in a class.. How many way can a group of 5 consist of 3 boys and 2 girls be selected ? A) 2970 B) 7920 C) 9900 D) 26400 E) 26334 4) For above problem(#3), How many ways can a group of 5 consist of at least 4 boys be selected ? A) 15642 B) 5742 C) 4950 D) 14850 E) 1287 Find the indicated probability. 5) In one town, 43% of all voters are Democrats. If five voters are randomly selected for a survey, find the probability that they are not Democrats. A) 0.0602 B) 0.0147 C) 0.9853 D) 0.0127 E) 0.9398 6) The probability a laptop has "Intel chip" is .67. The probability a laptop has "Blue- Ray" is .45. If probability that a laptop has both is .35, find probability that a randomly selected laptop has neither "Intel chip" nor a "blue- Ray"?...
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STATT2REW-SP2010 - Math 1342 TEST # 2 (Review) NAME:

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