Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Round your answer to four decimal places.)

The area to the left ofz=0.62is .

Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Round your answer to four decimal places.)

The area to the right ofz=0.23is .

Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Round your answer to four decimal places.)

The area between

z=1.30

andz=1.96is .

Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Round your answer to four decimal places.)

The area between

z=1.48

andz=2.27is .

Given thatxis a normal variable with mean=48and standard deviation=6.2, find the following probabilities. (Round your answers to four decimal places.)

(a) P(x60) (b) P(x50) (c) P(50x60)