Question

NEED HELP WITH 2 MATH QUESTIONS PLZ!

Answer 1

What

Answer 2

tell me them

Answer 3

For question 1:The total probability should always add up to 1 and the probability of an event can never be negative.
For question 2: Just add the probabilities. You're given a graph of the probability distribution and the range of values that you have to calculate the probability for.
For question 3: The expected value is given by the sum of X times P:
\[\sum\left( X \times P \right)\]

Answer 4

can you work it out for me for number 1 and 3

Answer 5

@undeadknight26

Answer 6

NEED HELP WITH 1 AND 3 PLZ

Answer 7

@AnswerMyQuestions