A box of 100 transistors contains (exactly) 3 faulty units. Ten of the transisto
ID: 3051869 • Letter: A
Question
A box of 100 transistors contains (exactly) 3 faulty units. Ten of the transistors are randomly chosen. Determine, to two decimal places, the expected number of faulty units chosen.- how would this problem need to be set up and what are the steps to figure out the answer?
A box of 100 transistors contains (exactly) 3 faulty units. Ten of the transistors are randomly chosen. Determine, to two decimal places, the expected number of faulty units chosen.
- how would this problem need to be set up and what are the steps to figure out the answer?
- how would this problem need to be set up and what are the steps to figure out the answer?
Explanation / Answer
here this is hypergeometric distribuition with paramter
N =total population size =100
k=total number of sucess in sample =3
n=sample size taken =10
hence expected number of faulty units chosen =nk/N =10*3/100 =0.3
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