Fuses of a particular type have breaking points that are normally distributed with mean and standard deviation of 7.5 Amperes and 0.5 Amperes, respectively. What proportion of fuses have a breaking point greater than 8.0 Amperes? If 10 fuses are randomly selected, what is the probability that exactly 2 have breaking points greater than 8.0 Amperes? If 25 fuses are randomly selected, what is the probability that their mean breaking point is grearer than 7.8 Amperes?
Fuses of a particular type have breaking points that are normally distributed with mean and standard deviation of 7.5 Amperes and 0.5 Amperes, respectively. What proportion of fuses have a breaking point greater than 8.0 Amperes? If 10 fuses are randomly selected, what is the probability that exactly 2 have breaking points greater than 8.0 Amperes? If 25 fuses are randomly selected, what is the probability that their mean breaking point is grearer than 7.8 Amperes?
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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