The amounts of insurance claims that a car dealership submits each year are normally distributed with a population standard deviation of 3.5 claims and an unknown population mean. A random sample of 30 dealerships is taken and results in a sample mean of 39 claims. Find the margin of error for a 90% confidence interval for the population mean.
Z0.10 Z0.05 Z0.025 Z0.01 Z0.005
1.282 1.645 1.960 2.326 2.576
You may use a calculator or the common z values above.
• Round the final answer to two decimal places.
Provide your answer below:

step-by-step explanation:

step-by-step explanation:

the camry sales+accord sale=828,000. to make it so the two numbers are 18 thousand apart and still equal 828,000, you first need to find out what half of 828,000 is. 828,000/2=414,000. for the two numbers to equal 828,000, you have to add the same amount as you subtract from the middle. in this case, the number is 9,000 because it's half of 18,000. to equal 828,000, you have to add 9,000 to 414,000 for the camry and subtract 9,000 from 414,000 for the accord. 414,000+9,000=423,000.

414,000-9,000=405,000.

423,000+405,000=828,000.

423,000-405,000=18,

hope it