The data below is for offshore oil workers who took part in a simulated escape exercise.The data represents time (in seconds) that it took each person to escape from the oil well in the event of an accident.Suppose that the requirement for escape time is 6 minutes.

a. Does the data meet the 6 minute requirement?Test at =.05 level

b. What are the 95% confidence interval values for the sample?

Time (seconds) 389 356 359 363 375 424 325 394 402 373 373 370 364 366 364 325 339 393 392 369 374 359 356 403 334 397