The manager of a small park randomly surveyed residents in the community and asked whether they visited the park in the past year. The table shows the results.

What is the 95% confidence interval for the difference between the percent of residents who are younger than 50 and who are 50 and older that visited the park in the past year?

tube or goog would be a great resource to with that question

a; x = 0.5

step-by-step explanation:

-10x = -5

x = 0.5

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13