Assume that we want to construct a confidence interval. do one of the following, as appropriate: (a) find the critical value t sub /2, (b) find the critical value z sub /2, or (c) state that neither the normal distribution nor the t distribution applies.
here are summary statistics for randomly selected weights of newborn girls: n=249, x bar =29.9 hg, sequals=7.2 hg. the confidence level is 95%.

What 2 forces allow things to fall ‍♀️‍♀️

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?