Which expression is not equivalent to
3x - 2?

second

Step-by-step explanation:

since the second option equivalent to 3x+2

Option c

Step-by-step explanation:

--The large-sample confidence interval

formula for proportions is valid if np ≥ 15 and n(1-p) ≥ 15. The large sample confidence

interval only contain the true value a certain percentage of the time. A 95% CI will contain the

value 95% of the time. You add 2 successes and 2 failures.