Mathematics, 23.04.2020 04:50 lindsaypre0644
"The CEO of a large electric utility claims that 80% of all his customers are very satisfied with the service they receive. To test this claim, the local newspaper surveyed 100 customers, using simple random sampling. Among the sampled customers, 73% say they are very satisfied. Were these surveyed customers less likely to be satisfied than all the CEO’s customers ( \alpha =0.05)?"
Answers: 1
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The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?
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Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi
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"which statement is necessarily true if bd is an altitude to the hypotenuse of right ? abc? a.) ? adb? ? bdc b.) ? adb~? bdc c.) abbc=acbd d.) ? bac? ? bdc"
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"The CEO of a large electric utility claims that 80% of all his customers are very satisfied with th...
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