The health of the bear population in a park is monitored by periodic measurements taken from anesthetized bears. A sample of the weights of such bears is given below. Find a 95% confidence interval estimate of the mean of the population of all such bear weights.

View the Table below

75 339 411 343 161 215 257

355 199 139 327 29 135 175

The 95% confidence interval for the mean bear weight is the following.

lb < P < lb

(Round to the nearest integer as needed.)