SOLUTION: You apply to 20 graduate programs, 10 of which are in clinical psychology, 5 of which are in counseling psychology, and 5 of which are in social work. You get a message from home t

Algebra ->  Probability-and-statistics -> SOLUTION: You apply to 20 graduate programs, 10 of which are in clinical psychology, 5 of which are in counseling psychology, and 5 of which are in social work. You get a message from home t      Log On


   

Question 229009: You apply to 20 graduate programs, 10 of which are in clinical psychology, 5 of which are in counseling psychology, and 5 of which are in social work. You get a message from home that you have a letter from one of the programs you have applied to, but nothing is said about which one. Give the probabilities if is from a) a clinical psychology program b)a counseling psychology program c) from any program other than social work d) explain your answers to someone who has never had a course in statistics.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
You apply to 20 graduate programs, 10 of which are in clinical psychology, 5 of which are in counseling psychology, and 5 of which are in social work. You get a message from home that you have a letter from one of the programs you have applied to, but nothing is said about which one.
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Give the probabilities if is from
a) a clinical psychology program : 10/20
b)a counseling psychology program : 5/20
c) from any program other than social work : 15/20
d) explain your answers to someone who has never had a course in statistics.
I'll leave "d" to you.
Cheers,
Stan H.