Which of the following characteristics of experiments are also characteristics of surveys?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Evaluate 5 + 6 · 2 – 8 ÷ 4 + 7 using the correct order of operations. a. 22 b. 11 c. 27 d. 5

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2