contestada

Refer to Exhibit 6-6. What is the random variable in this experiment? a. The mean life of all tires of this brand of a particular brand of tire is normally distributed w ith a mean of g6,ooo and a standard deviation of sooo mile 4000 miles b. The life of an individual tire of this brand
c. None of these alternative answers are correct. d. The standard deviation of the life of all tires ofthis brand