An ad for an artificial turf company claims that 92% of their customers are ‘extremely satisfied’ with their service. A group of recent customers believes that figure is too high, and wish to conduct a hypothesis test at the α=0.10α=0.10 level of significance to determine if they are right.
Which would be correct hypotheses for this test?
A random sample of 94 customers resulted in 85 that said they were ‘extremely satisfied’ with their service. Find the test statistic (Round to 2 decimals):
Give the P-value (Round to 4 decimals – if less than 0.001 give answer as 0):
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