Question

$4.00 A PC manufacturer claims that no more than 2% of their machines are defective.

Found in Education: General-Education
Chapter 1, # 1
Posted by :
volcanblack
 
 
Q:

(TCO D) A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machines, it is found that 4.5% are defective. The manufacturer claims this is a fluke of the sample. At a .02 level of significance, test the manufacturer's claim, and explain your answer.

Test and CI for One Proportion

Test of p = 0.02 vs p > 0.02

  
   

Sample

X

N

Sample p

98% Lower Bound

Z-Value

P-Value

  

1

4

100

0.040000

0.000000

1.43

0.077

  

(Points : 20)

 

Tutorial
 
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A PC manufacturer claims that no more than 2% of their machines are defective.
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  • Posted on Feb. 23, 2012 at 12:41:50AM
A:
Preview: ... O D) A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machines, it is found that 4.5% are defective. The manufacturer claims this is a fluke of the sample. At a .02 level of significance, test the manufacturer's cla ...
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