Pls help and explain: I only have 3 chances
2 answers:
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Manny can assemble a computer in 50 minutes. That means, in a minute Manny does 
job.
Lucy can assemble a computer in 45 minutes. That means, in a minute Lucy does
job.
If they are working together, in a minute they will do:
In a minute they will do
job
To finish the job they will do it in
minutes or about 24 minutes.
Lucy can assemble a computer in 45 minutes. That means, in a minute Lucy does
If they are working together, in a minute they will do:
In a minute they will do
To finish the job they will do it in
Answer: a)
b)
c)
Step-by-step explanation:
Given : Number of students : 11
Number of faculty members : 13
Total persons :
Total number of ways to structure a jury of six people from a group of 24 people :-
a) Number of ways of selecting a jury of all students :-
Then , the probability of selecting a jury of all students :-
b) Number of ways of selecting a jury of all faculty :-
Then , the probability of selecting a jury of all students :-
c) Number of ways of selecting a jury of two students and four faculty :-
Then , the probability of selecting a jury of all students :-