This is not a biology question this is a math question
Answer:d) Construct a 95 percent confidence interval on the mean shaft diameter. ... troublesome cosmetic defect, flow lines, in the finished housing. ... (c) Based on your answer to part (b) conduct another analysis of the failure time data and draw ... Three different washing solutions are being compared to study their effectiveness ...
Explanation:
I think it would be D a pure substance
A virus is bacterial. It has cells but it isn’t a living thing so to speak.
An organism is a number of tissues (organs) working together. It has a conciseness, and also has cells.
