The lengths, in inches, of adult corn snakes are normally distributed with a population standard deviation of 4 inches and an unknown population mean. If a random sample of 19 snakes is taken and results in a sample mean of 55 inches, find a 98% confidence interval for the population mean.

z0.10	z0.05	z0.025	z0.01	z0.005
1.282	1.645	1.960	2.326	2.576

Use the common z values given above.

• Round the final answer to twodecimal places.
• Do not round until the very last step.