The abc steel company manufactures steel bars. WHen the production process is working correctly, it turns out steel bars with an average length of at least 2.8 feet with a standard deviation of .2 foot. LOnger steel bars can be used or altered, but shorter bars must be scrapped. A sample of 25 bars is selected from the production. THe sample indicates an average length of 2.73 feet. the company wishes to determine if the production equipment needs an immediate adjustment. b. if the company uses a .05 level of significance and using the critical value (t value) approach to hypothesis testing would you reject of null hypothesis

g(x) is the negative form of f(x)? because whenever its the negative form it reflects its self over the x axis. idk if this is right though.

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answer set (b) 0.5, 3/4 80% is in order from least to greatest.  

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in order to compare rational numbers to each other, it is much easier if they are in the same form.   typically, the best form in which to evaluate rational numbers is in decimals.   in order to convert a percent to a decimal, you would divide the given percentage by 100.   you can also accomplish the conversion by moving the decimal point over two places to the left.   for example, the decimal value of 80% is 80/100, or 0.8.   in order to convert a fraction to a decimal, you need to divide the numerator by the denominator.   for example, 3/4 is 0.75.   so, for choice (b) 0.5 3/4 (0.75), 80% (0.8) is the only choice in which the numbers are in order from least to greatest.  

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the answer will be