Building	Wait to see (WTS)	Treat (TRE)	wait for bed (WFB)	Total
AMBULATORY (AMB)	0.105	0.221	0.023	0.349
ASSESSMENT (ASS)	0.012	0.198	0.174	0.384
MENTAL HEALTH (MH)	0	0.058	0.151	0.209
RESUSCITATION (RES)	0	0.012	0.03	0.047
UNCLASSIFIED (UNC)	0.012	0	0	0.012
Total	0.129	0.489	0.383	1

Calculate the following probabilities and then explain each in a sentence in normal language. 1. P(Ass U Amb), P(Ass|WFB), P(Unc Res), P(AmbI WTS), P(MH - TRE)

For your answer, translate each question into the relevant probability notation.

2. What is the probability that a patient classified into the assessment stream is currently undergoing treatment?

3. What is the probability that a patient is classified in the resuscitation or the ambulatory stream?

4. What is the probability that a patient not in a Mental Health case is currently waiting for a bed?