You go out and collect the following estimates of earthworms/acre: 54,276 58,378 51,108 66,590 66,232 59,018 57,159 These data yield the following: y = 58,965.86, and s = 5,745.60

a) Construct a 95% CI for these data.

b) Construct a 99.9% CI for these data.

c) Darwin once estimated that an acre of soil had about 50,000 worms in it. Is his estimate consistent with the data above? (Historical note: His estimate was considered way too high in his day).