The lengths of text messages are normally distributed with a population standard deviation of 3 characters and an unknown population mean. If a random sample of 24 text messages is taken and results...

Extracted text: The lengths of text messages are normally distributed with a population standard deviation of 3 characters and an unknown population mean. If a random sample of 24 text messages is taken and results in a sample mean of 23 characters, find a 98% confidence interval for the population mean. Round your answers to two decimal places. Z0.10 Zo.05 Zo.04 Zo.025 Zo.01 Zo.005 1.282 1.645 1.751 1.960 2.326 2.576 You may use a calculator or the common z-values above. Select the correct answer below: O (21.80, 24.20) O (21.99, 24.01) O (21.93, 24.07) O (22.21, 23.79) O (21.42, 24.58) O (21.58, 24.42)