Question

30% of students at SAC prefer to take online courses. 80% of SAC students who say...

30% of students at SAC prefer to take online courses. 80% of SAC students who say

they prefer to take online courses work full time. 25% of students who

do not prefer to take online courses work full time.

a) Draw a diagram to the left summarizing the sample space. Define variables you use.

b) Using symbols like P(A|B), list the two probabilities

you’d need to compare to see if online class preference

and work full time are independent.

c) Calculate the probabilities from part b

d) What does your answers in part c say about the relationship between

Online Preference and Work Amount?

Math   Statistics-And-Probability   
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