There are two more assignments in a class before its end,and if you get an A on at least one of them,you will get an A for the semester.Your subjective assessment of your performance is $$\begin{array} { l c }
{ \text { Event } } & \text { Probability } \
\hline \text { A on paper and } A \text { on exam } & .25 \
\text { A on paper only } & .10 \
\text { A on exam only } & .30 \
\text { A on neither } & .35
\end{array}$$
a.What is the probability of getting an A on the paper?
b.What is the probability of getting an A on the exam?
c.What is the probability of getting an A in the course?
d.Are the grades on the assignments independent?

Question

There are two more assignments in a class before its end,and if you get an A on at least one of them,you will get an A for the semester.Your subjective assessment of your performance is $$\begin{array} { l c } 
{ \text { Event } } & \text { Probability } \
\hline \text { A on paper and } A \text { on exam } & .25 \
\text { A on paper only } & .10 \
\text { A on exam only } & .30 \
\text { A on neither } & .35
\end{array}$$ 
a.What is the probability of getting an A on the paper?
b.What is the probability of getting an A on the exam?
c.What is the probability of getting an A in the course?
d.Are the grades on the assignments independent?

Quizplus · Accepted Answer

The Answer of There are two more assignments in a class before its end,and if you get an A on at least one of them,you will get an A for the semester.Your subjective assessment of your performance is $$\begin{array} { l c } 
{ \text { Event } } & \text { Probability } \
\hline \text { A on paper and } A \text { on exam } & .25 \
\text { A on paper only } & .10 \
\text { A on exam only } & .30 \
\text { A on neither } & .35
\end{array}$$ 
a.What is the probability of getting an A on the paper?
b.What is the probability of getting an A on the exam?
c.What is the probability of getting an A in the course?
d.Are the grades on the assignments independent?

There Are Two More Assignments in a Class Before Its