in a recent survey, 75% of the community favored building a police substation in their neighborhood. If 14 citizens are chosen at random, find the probability that exactly 8 of them favor the building...



  1. in a recent survey, 75% of the community favored building a police substation in their neighborhood. If 14 citizens are chosen at random, find the probability that exactly 8 of them favor the building of the police substation.

  2. The probability that an individual is left-handed is 0.15. In a class of 50 students, what is the mean and standard deviation of the number of left-handers in the class?



Jun 02, 2022
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