Assuming an approximately normal data set, find the 68% confidence interval for systolic blood pressure in women given a sample size of 1000 with a mean of 123.4 and a standard deviation of 19.9.

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?

What additional information could be used to prove abc =mqr using sas? check all that apply.