Homework Help: statistics

Posted by SMREY on Sunday, June 3, 2012 at 4:06pm.

of the physics graduates of a university, 35% received a starting salary of $50,000 or more. If 5 of the graduates are selected at random, find the probability that all had a starting salary of $50,000 or more.

statistics - MathMate, Sunday, June 3, 2012 at 8:03pm
Assume that there is an infinite number (or a large number) of physics graduates so that selecting 5 has negligible effect on the pool, then the proportion of well-paid graduates remains at 35%.
Then the probability for selecting one well-paid graduate is 0.35, and selecting 5 is 0.35^5=0.0053

Answer this Question

Related Questions

Math/Statistics - The mean starting salary for graduates in the spring of 2004 ...
statistik - the average starting salary of this yaer's graduates of a large ...
math - According to the statistics of a famous high school in Canada, all their ...
Statistics - Using a sample of recent university graduates, you estimate a ...
statistics - The average salary for graduates entering the actuarial field is $...
Statistics - You are working as an assistant to the dean of institutional ...
math - After looking at the results of her calculations, Naomi has decided to ...
business math - After looking at the results of her calculations, Naomi has ...
business math - After looking at the results of her calculations, Naomi has ...
statistics - Apoll of 100 Phoenix graduates showed that 32 of them received a ...

For Further Reading

First Name:
School Subject:
Answer: