A. 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 of z = 0.51 is .
The area to the right of z = −1.23 is .
The area between z = 0 and z = −1.88 is
B. Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.)
P(z ≤ 2.84) =
P(−2.11 ≤ z ≤ −0.45) =
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