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konstantin123 [22]
2 years ago
5

An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in Texas. Suppose that the

mean income is found to be $23.7 for a random sample of 4825 people. Assume the population standard deviation is known to be $11.2. Construct the 90% confidence interval for the mean per capita income in thousands of dollars. Round your answers to one decimal place.
Mathematics
1 answer:
Arisa [49]2 years ago
5 0
The answer is 50%...
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