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Q13) State Space: A class of 30 students were surveyed about a certain Math Class. Survey...

Q13) State Space: A class of 30 students were surveyed about a certain Math Class. Survey results were as follows:

(a grade of passing is at least a D)

Homework is Too Easy

Homework is Just Right

Homework is Too Hard

Students Getting at least a B

2

4

1

Students Getting a C or a D

6

10

2

Students Failing

1

1

3
  1. What is the Probability that a student, who is passing, thinks that the Homework is Just Right ?

b.             What is the Probability that a student, who is not getting an A or a B, thinks that the Homework is Too Hard?

c.             What is the Probability that a student, who thinks that the Homework is Too Hard, is passing the class?

d.             What is the Probability that a student, who thinks that the Homework is Too Easy, is not failing the class?

State Space: A group consists of 120 students. Of these, 60 are studying French, 50 are studying Spanish and 20 are studying French and Spanish. A student is selected at random.

Q6.          What is the Probability that the student is studying French or Spanish?

Q7.          What is the Probability that the student is studying only French?

Q8.          What is the Probability that the student is studying neither French nor Spanish?
math   Statistics-And-Probability   
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