Math 305 homework 2.4: in a survey of men in a certain country (ages 20-29), the mean height was 65.3 inches with standard deviation of 2.7 inches. what height represents the 98th percentile

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.