Basic 4 53 Find the area under the standard normal curve between these values a z 0 and z 1 3 b z 0 and z 2 7 Basic 4 54 Find the area under the standard normal curve between these values a z 5 and z 1 3 b z 1 3 and z 0 Basic 4 55 Find the area under the standard normal curve between these values a z 2 5 and z 1 2 b 7 13 and 7 7 7