Answer:
B
Step-by-step explanation:
Answer:
Yes, the two events are independent because P(NF|PB)=P(NF).
Step-by-step explanation:
Answer:
can you post a clearer picture ?
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
you were told to draw a graph
f(x) or y is 4 when x less than or equal to 3. so you must draw straight horizontal line at y = 4 start from x = 3 to the left
(fx) or y is 2 when x bigger than 3. so, 3 is not included. so you must draw straight horizontal line at y = 2 start from x = 3 to the right with empty circle first (it means 3 not included)