Asample of 18 observations taken from a normally distributed population produced the following data:
28.5, 27.3, 25.3, 25.1, 31.1, 23.4, 25.5, 24.4, 28.1, 37.5, 23.6, 28.7, 27.6, 25.4, 27.5, 25.5, 22.7, 22.6

a. what is the point estimated μ?
b. make 95% confidence interval for μ
c. e=

Arectangle has a width of 9 units and length of 40 units. what is the length of a diognal. a. 31 unitsb. 39 unitsc. 41 units d. 49 units

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.

Abook store is having a 30 perscent off sale. diary of the wimpy kid books are now 6.30 dollars each what was the original price of the books