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 $23.1 for a random sample of 3781 people. Assume the population standard deviation is known to be $10.3. Construct the 98 % confidence interval for the mean per capita income in thousands of dollars. Round your answers to one decimal place. Answer O Tables Keypad How to enter your answer Keyboard Shortcuts Lower endpoint:| Upper endpoint

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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 $23.1 for
a random sample of 3781 people. Assume the population standard deviation is known to be $10.3. Construct the 98% confidence interval for the mean per capita
income in thousands of dollars. Round your answers to one decimal place.
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Transcribed Image Text: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 $23.1 for a random sample of 3781 people. Assume the population standard deviation is known to be $10.3. Construct the 98% confidence interval for the mean per capita income in thousands of dollars. Round your answers to one decimal place. Answer How to enter your answer E Tables в Кеурad Keyboard Shortcuts Lower endpoint:| Upper endpoint: Tutor Skip Try Similar Submit Awer O 2020 Hawkes Learning FI DI F3 DD F7 F8 F9 F10 F11 F12 ! 23 $ & 1 2 3 4 5 6 7 Q W E Y U { A F G J K L C V > ? on command command option .. .. * CO B ** N
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