Suppose a random sample of 9 vehicles are observed making turns. a) Find the probability that more than 7 vehicles will change lanes while making the turn. Use Binomial Probability Table. b) When 120 cars were observed, calculate the expected value and standard deviation of cars making a turn.
Suppose a random sample of 9 vehicles are observed making turns. a) Find the probability that more than 7 vehicles will change lanes while making the turn. Use Binomial Probability Table. b) When 120 cars were observed, calculate the expected value and standard deviation of cars making a turn.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:(3) The probability that a vehicle will change lanes while making a turn is 75%.
Suppose a random sample of 9 vehicles are observed making turns.
a) Find the probability that more than 7 vehicles will change lanes while making the turn.
Use Binomial Probability Table.
b) When 120 cars were observed, calculate the expected value and standard deviation of cars
making a turn.
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