Data on tuition and mid-career salary are collected from a number of universities and colleges. The result of the data collection is the linear regression model ˆ y = − 0.8 x + 166 where x = annual tuition and y = average mid-career salary of graduates, both in thousands of dollars. Which quantity is the independent variable? average mid-career salary of graduates annual tuition Correct According to this model, what is the average salary for a graduate of a college or university where the annual tuition is $30,000? $ 24166 Incorrect What is the slope of this regression model?

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Find the solution on the interval [0, 2pi)