Answer:
1,
,
.
Step-by-step explanation:
probability = 
Total number of persons in the party = n
a) Pr ( every person gets their phone back) = Pr (each person picks his phone ) multiplied by number of person
=
× n = 1.
No of first m persons to pick = m
No of last m persons to pick = 1 - m
b) Pr (first m persons to pick each gets their phones back) = 
c) Pr( first m persons get a phone belonging to last m persons) = 
I don't think you can convert anything out of a decimal because 0.232 is already a decimal!
Answer:
UV=25 units
Step-by-step explanation:
we know that
UW=UV+VW -----> by addition segment postulate
substitute the given values
4x+10=5x+5
solve for x
5x-4x=10-5
x=5
Find the value of UV
UV=5x
substitute the value of x
UV=5(5)=25 units
Answer:
F/m=a
Step-by-step explanation:
Let the event 
The the probability of the events


The conditional probability
