2. The weights (in pounds) of three adult males are 160, 215, and 195. The standard error of the mean of

these three weights is

(a) 190. (b) 27.84. (c) 22.73. (d) 16.07. (e) 13.13.

Which of the following are accepted without proof in a logical system? check all that apply.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.