In a study testing the effects of placebos (sugar pills) on the headaches of 782 participants, when the participant believed that the pill was expensive, it was found that 218 participants had reduced pain after 30 minutes. We wish to test the claim that the actual proportion is different than 0.24 at the α=0.12 level of significance. What is the test statistic?

Answer in decimal form. Round to 4 decimal places as needed.

7

step-by-step explanation:

step-by-step explanation:

rectangles are made up of 4 right angles, which means that a side and a base meet perpendicular to one another.   their slopes then have to reflect perpendicular slopes.   perpendicular slopes are opposite reciprocals of one another.   for example, if the slope of one line is +2/3, then the perpendicular slope to that would be -3/2.   so we look for that combination in our choices.

all of them satisfy that condition (so what's the question, i guess? )

yep b and c r the correct got it! : )