9. (Z-Test). According to salary survey the average salary offered to computer science majors who graduated in May 2018 was $50, 352. Suppose this result is true for all computer science majors who
graduated in May 2018. A random sample of 200 computer science majors who graduated this year
showed that they were offered a mean salary of $51,750. The population standard deviation is $5240,
Using the 1% significance level can you conclude that the mean salary of this year's computer science
graduates is higher than $50,352? Use Traditional Method. Draw a graph.

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?