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STATT2REW-SP2010

# STATT2REW-SP2010 - Math 1342 TEST 2(Review NAME 1 How many...

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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 ? 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 ? 4) For above problem(#3), How many ways can a group of 5 consist of at least 4 boys be selected ? 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 1 How many...

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