Compute Probabilities of Binomial Experiments

question 144

Multiple Choice

Compute Probabilities of Binomial Experiments
-A recent article in the paper claims that government ethics are at an all-time low. Reporting on a recent sample, the paper claims that 30% of all constituents believe their representative possesses low ethical standards. Suppose 20 of a representative s constituents are randomly and independently sampled. Assuming the paper s claim is correct, find the probability that more than eight but fewer than 12 of the 20 constituents sampled believe their representative possesses low ethical standards.

• A) 0.108193
• B) 0.077376
• C) 0.226286
• D) 0.152990

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