An investigator compares the durability of two different compounds used in the manufacture of a certain automobile brake lining. A sample of 175 brakes using Compound 1 yields an average brake life of 44,938 miles. A sample of 132 brakes using Compound 2 yields an average brake life of 45,825 miles. Assume that the population standard deviation for Compound 1 is 3642 miles, while the population standard deviation for Compound 2 is 2932 miles. Determine the 95% confidence interval for the true difference between average lifetimes for brakes using Compound 1 and brakes using Compound 2.

Step 2 of 3 : Calculate the margin of error of a confidence interval for the difference between the two population means. Round your answer to six decimal places.

*ANSWER*: 735.773564

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step-by-step explanation:

sorry no step by step

i only know the sequence of arithmetic it adds the first is 5+4 then it goes up as it adds to then it is 9+5 then 14+6 then to 20+7 and so on. 5,9,14,20,27,35.

step-by-step explanation:

hi there!

first we need to find out how much they are adding to each number to make the next number.

ex: 4 + 4 = 8, 8 + 8 = 16, and so on.

so continuing with 32,

32 + 32 = 64

64 + 64 = 128

128 + 128 = 256

256 + 256 = 512

4, 8, 16, 32, 64, 128, 256, 512

the 8th term of the sequence will be 512

hope this ! ~

we can't see all full 4 options, but if this is the full option, than the very left one is correct:

-2/5 * -3 3/4

remake the question, adding a picture of all the question, or write down the full left and right answers.