1.Sociology graduates, upon entering the workforce, earn a mean salary of $30,000 with a standard deviation of $4000. Jeremy squeezed through his sociology major with a C average. He would take any job he could lay hands-on, as long as it's not tossing fries, which he's been doing for four years. What is the probability of him getting a job which pays less than $25,000?

A. -1.25

B. .8944

C. .6501

D. .1056

E. .0156

2.Sociology graduates, upon entering the workforce, earn a mean salary of $30,000 with a standard deviation of $4000. Kayla would like to earn between $27,000 and $38,000 when she graduates. What is the probability of her earning a salary within this range?

A. .7506

B. .9772

C. .6501

D. .7056

E. .2266

3.Sociology graduates, upon entering the workforce, earn a mean salary of $30,000 with a standard deviation of $4000. Brandon looks forward to a big salary after graduation. He say anything over $37,000 would do just fine. What is the probability of him getting a salary over $37,000?

A. .9599

B. .4010

C. .0401

D. 1.75

E. -1.75

4.Sociology graduates, upon entering the workforce, earn a mean salary of $30,000 with a standard deviation of $4000. Cristina is not sure how much she will make after graduation. She will be happy if her salary is in the middle 50% of all salaries. Find the two salaries that are the cut-off values for the middle 50% of salaries.

A. $27,320 and $36,680

B. $23,320 and $32,680

C. $27,320 and $32,680

D. $32,320 and $32,680

E. $25,320 and $31,954

5. the Magic Kingdom at Walt Disney in Orlando, Florida has a mean of 38,000 customers per day with a standard deviation of 10,000. Find the probability that more than 40,000 people visit Magic Kingdom in one day.

A. .6073

B. .4207

C. .5793

D. .2000

E. .2407

6.The Magic Kingdom at Walt Disney in Orlando, Florida has a mean of 38,000 customers per day with a standard deviation of 10,000. Find the probability that between 35,000 and 41,000 people visit Magic Kingdom in one day.

A. .2407

B. .2358

C. .6179

D. .3821

E. .7651

7.The Magic Kingdom at Walt Disney in Orlando, Florida has a mean of 38,000 customers per day with a standard deviation of 10,000. Suppose the special overflow parking lots are opened for the days with the highest 10% attendance levels. What is the cut-off attendance number that triggers the opening of the overflow parking areas?

A. 63,300

B. 58,500

C. 25,200

D. 52,800

E. 50,800

8.The Magic Kingdom at Walt Disney in Orlando, Florida has a mean of 38,000 customers per day with a standard deviation of 10,000. Suppose that on one rainy day, only 15,000 people visit the Magic Kingdom. Is this unusual?

A. Yes - the probability of getting only 15, 000 people is equivalent to a Z-score of -3.20. Since the Z-score is less than -2.00, it is unusual

B. Yes - the probability of getting only 15,000 people is .0107, which is lower than .05

C. No - it is not unusual of getting only 15,000 people on a rainy day.

D. Yes - the probability of getting only 15,000 people is .9893,

which is higher than .05

E. Yes - the probability of getting only 15, 000 people is equivalent to a Z-score of 2.30. Since the Z-score is greater than 2.00, it is unusual

9.Sociology graduates, upon entering the workforce, earn a mean salary of $30,000 with a standard deviation of $4000. Jessica is an honors sociology student. Upon graduation she would like to take a job that starts at $40,000. What is the probability that she will get a job with a starting salary greater than $40,000?

A. .0062

B. 2.50

C. .9938

D. .0622

E. .9744