A significance test that is used to test hypotheses about parameters in a population in which the data in the population are normally distributed and measured on an interval or ratio scale of measurement is called . A. parametric test B. nonparametric test C. effect size D. confidence interval

you have 6 cupcakes

kbmflmklbhml; bmlzb; bdhzz

step-by-step explanation:

a

step-by-step explanation:

the answer is a

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.