A television company states that no more than 10% of its televisions will need repair during...
A television company states that no more than 10% of its televisions will need repair during the first five years of use. Consider a random sample of 57 televisions with a sample proportion of 0.13. What is the test statistic?
z= 1.74
z= 0.75
z= 0.002
z= 0.67
p-hat = 13
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