Following is the compensation, in millions of dollars, for Chief Executive Officers (CEOs) of a random sample of 20 U. S. corporations in 2014: 4.03 0.54 1.45 1.25 2.46 3.32 0.69 7.75 .061 4.05 2.34 2.77 1.09 2.09 8.66 1.13 1.02 4.37 1.51 3.47 Compute a 95% confidence interval for the mean compensation of CEOs of U. S. corporations.

Plz which expression is equivalent to the expression below?

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).