Question

$6.00 (TCO D) A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machine

Found in Education: General-Education
Chapter 1, # 2
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
 
$6.00
(TCO D) A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machine
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  • Posted on Dec 13, 2011 at 11:11:23PM
A:
Preview: ... b) The probability that he ir she visited a local park, given that the visitor is from the midwest = p2 p2 = 29/464= 0.0625 We have 6.25% probability that he ir she visited a local park, given that the visitor is from the midwest a) The probability that he or she is either from the South or from the West = p1 p1= 1368/2459 + 405/2459 = 0.5563 + 0.1647 = 0.72 We have 72% probabil ...
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