Answer:
Predicted final score of Josh 
Step-by-step explanation:
The linear regression relationship has been established between the final-exam score and the score on the first test
The relation ship is represented by a linear equation -

Where
score on the first test
final-exam score
Substituting the value of
in above equation we will get -

Predicted final score of Josh 
Answer:

Step-by-step explanation:
The probabillity can be found by using binomial probability formular considering that the event is discrete in nature and there are two possiple outcomes.