Answer:
17/5
3.4
Step-by-step explanation:
there could be multiple so theres a fraction and a decimal
40 % = 16 hours
100 % = 40 hours, the nurse works for 40 hours.
this can be proven by 40% of 40 is 16.
Answer:
a)
b) SD(x) = 0.9986
Step-by-step explanation:
Given data:
Number of slots 38
slots for red ball 18
slots for black = 18
slots for green 2
outcomes Red Black or Green
Profit 1 -1
P(X) 18/38 20/38
Expected value of wining,

B) Standard deviation of winning SD(x)


SD(x) = 0.9986
Answer:
-1
Step-by-step explanation:
10/2=5+ -3*2=-1
Answer:
1
it's needs 20 characters so euwbwjwuw