Estimate the Indicated Probability by Using the Normal Distribution as an Approximation

question 152

Multiple Choice

Estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution.
-In one county, the conviction rate for speeding is 85%. Estimate the probability that of the next 100 speeding summonses issued, there will be at least 90 convictions.

• A) 0.1038
• B) 0.8962
• C) 0.0420
• D) 0.3962

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