Ejercicios en clase

INFORMACIÓN ESTADÍSTICA - CALI

TIPOS DE MUESTREO

Exercise

The American Council of Education reports that in the 
United States 47% of students College students complete 
their studies within five years Associated Press, 
6 Of May 2002). Suppose that in the records of completion 
of studies it finds that 50% Of the students who finish 
their studies in five years are women and 45% of those 
who do not finish Her studies in five years are women. 
Students who do not finish their studies in Five 
years are students who have dropped out or are about 
to finish.
a. Let A1 students finish their studies in five years
A2 the student does not finish his studies in five
W the student is female
Using the given information, give the following probabilities: 
P (A1), P (A2), P (W | A1) and
P (W2 A2).
b. What is the probability that a student will finish
 school in five years?
c. What is the probability that a student will finish 
school in five years?
dEx. Given the previous results, what is the percentage 
of women and what is 
the percentage of
Men entering college?