Saturday

March 28, 2015

March 28, 2015

Posted by **mira** on Wednesday, November 28, 2012 at 9:19am.

a)what is the probability that a randomly selected LU graduate will have a starting of at least $31000?

b)individuals with starting salaries of less than $12200 receive a low income tax break.what percentage of the graduates will receive the tax break?

C)what are the minimum and the maximum starting salaries of the middle 95% of the LU graduates?

d)if 68 of the recent gradutes have salaries of at least $35600 , how many students graduated this year from this university>

- statistik -
**PsyDAG**, Wednesday, November 28, 2012 at 11:50ama, b) Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z scores.

c) Use same table to find percent (47.5%) between Z score and mean. Insert Z score in above equation and solve.

d) Find Z score, use table to get %. That % of total = 68.

**Answer this Question**

**Related Questions**

statistics - The average salary for graduates entering the actuarial field is $...

Statistics - Recently, a university surveyed recent graduates of the English ...

Math/Statistics - The mean starting salary for graduates in the spring of 2004 ...

statistics - of the physics graduates of a university, 35% received a starting ...

Stat - The salaries at a corporation are normally distributed with an average ...

Statistics - Assume that X, the starting salary offer to psychology majors is ...

statistics - the average starting salary is Rs 15000per month with a standard ...

Statistics Question (Confidence Interval) - A sample of 15 recent college ...

STAT - 1. In a study of the income of U.S. factory workers, a random sample of ...

statistics - According to Advertising Age, the average base salary for women ...