Anew test has been developed to determine whether a given student is overstressed. this test is 90% accurate if the student is not overstressed, but only 80%accurate if the student is in fact overstressed. it is known that 99% of all students are overstressed. given that a particular student tests negative for stress, what is the probability that the test results are correct, and that this student is not overstressed?

Choosing a booth location: your manager is sending two people to work at the conference. she wants a booth that will give your company good visibility for no more than 35% of the total budget ($3000). the conference coordinator just told you there are only five booths left. which booth will you choose? write the inequality that shows how much money you can spend on the booth simplify the inequality that shows how much money you can spend on the booth.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

A+b= 17, ab=70, find the value of |a-b|