Which of the following conditions must be met in order to make a statistical inference about a population based on a sample if the sample does not come from a normally distributed population? Mu greater-than-or-equal-to 30 x Overbar greater-than-or-equal-to 30 n greater-than-or-equal-to 30 Upper N greater-than-or-equal-to 30

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

What is the ordered pair that represents the linear inequality y< 6x-4

Skie rented a boat for $16.50 per hour. her total rental fee was $49.50. for how many hours did skie rent the boat