Answer:
The probability is 
Step-by-step explanation:
From the question we are told that
The mean mileage of a tire is 
The standard deviation is 
The sample size is n = 209
Generally the standard error of mean is mathematically represented as

=>
=>
Generally the probability that the sample mean would differ from the population mean by less than 199 miles is mathematically represented as


=> 
=> 
=> 
=> 
From the z table the area under the normal curve to the left corresponding to 1.11 and -1.11 is

and

So

=> 
Answer:
Lonnie is not correct
Step-by-step explanation:
D = 1/6 or d = -1. i hope this helps
Answer:

Step-by-step explanation:
Given
--- slope

Required
Determine the equation and plot the graph
The formula for the equation is:

This gives:


Open bracket


<em>See attachment for graph</em>