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Marat540 [252]
3 years ago
13

A study conducted at a certain college shows that 62% of the school's graduates find a job in their chosen field within a year a

fter graduation. find the probability that among 5 randomly selected graduates, at least one finds a job in his or her chosen field within a year of graduating.
Mathematics
1 answer:
Anna007 [38]3 years ago
8 0
This can be done easily if you choose a different probability. 
Find the chance that none of the 5 graduates find a job. 
For one student that is 100%-62%=38%
This has to happen for all 5 students, that is P=(0,38)^5=0,008 (rounded) 

This is the chance that none of the 5 students finds a job. All of the above cases at least one finds a job. 

That is 1-0,008=0,992 (rounded) 
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4 0
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A vehicle purchased for $ 27500 depreciates at a constant rate of 4 % . Determine the approximate value of the vehicle 12 years
Anna35 [415]

Answer:

$13,200

Step-by-step explanation:

Multiply the original cost by .04 and 12 years

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6 0
3 years ago
A machine with velocity ratio of 5 is used to raise a load with an effort of 500N . If the machine is 80% efficient , determine
Yanka [14]

Answer:

Solutions given:

Velocity ratio V.R =5

effort =500N

efficiency =80%

magnitude of load=?

mechanical advantage [M.A ]

we have

efficiency =M.A/V.R*100%

80=M.A./5*100

80/100*5=M.A

M.A.=4

again

we have

M.A =load/effort

4=load/500

load=500*4

load=2000N

<h3><u>the magnitude of the load is 2000N</u>.</h3>
7 0
3 years ago
Before beginning voice lessons, Chad already knew how to sing 805 pieces, and he expects
NeTakaya

Let's create an equation to find the # of weeks until Chad learns 937 pieces.

x = # of weeks

937 = 2x + 805

Subtract 805 from both sides.

132 = 2x

Divide both sides by 2

66 = x

Chad will need 66 weeks of lessons to learn 937 pieces.

4 0
3 years ago
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