Work shown above! y = 148
Answer:
a
Step-by-step explanation:
Answer: 61,750 miles
Step-by-step explanation:
Given : The p-value of the tires to outlast the warranty = 0.96
The probability that corresponds to 0.96 from a Normal distribution table is 1.75.
Mean : 
Standard deviation : 
The formula for z-score is given by : -

Hence, the tread life of tire should be 61,750 miles if they want 96% of the tires to outlast the warranty.
Answer:2.91666666667
Step-by-step explanation:
Answer:
it should be step 2
Step-by-step explanation: