Question
A home improvement company is interested in improving customer satisfaction rate from the 67% currently claimed. The company sponsored a survey of 270 customers and
A home improvement company is interested in improving customer satisfaction rate from the 67%
currently claimed. The company sponsored a survey of 270
customers and found that 190
customers were satisfied.
What is the test statistic z?
What is the p-value?
Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of =0.05
?
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Complex Geometry And Dynamics The Abel Symposium 2013
Authors: John Erik Fornaess, Marius Irgens, Erlend Fornaess Wold
1st Edition
3319203371, 9783319203379
