find probability of stock rise

Statistics
Tutor: None Selected Time limit: 1 Day

Stock a rise .60 stock b rise .40...if b rise, the probability a will rise .55

A. Are a and b mutually exclusive...yes or no and why

B. Are a and b independent yes or no and why

Feb 11th, 2015

Answer is

a and b are not mutually exclusive because both are rising and dropping separately .

Yes both a and b are independent as they share the relation of rise and fall with each other.

Please select my answer as best.

Feb 11th, 2015

A. Is it because P(a|b)=p(a) or p(a upside down u  b)=0

B. Yes because p(a|b)=p(a) or p(a upside down u b)= 0

Feb 11th, 2015

A. p(a upside down u  b)=0

B . p(a|b)=p(a)

Feb 11th, 2015

Did you know? You can earn $20 for every friend you invite to Studypool!
Click here to
Refer a Friend
...
Feb 11th, 2015
...
Feb 11th, 2015
Feb 23rd, 2017
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer