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Q: Calculate the area under the standard normal curve to the left of these values. (Round...

Q: Calculate the area under the standard normal curve to the left of these values. (Round your answers to four decimal places.)

(a)

z = 1.3

(b)

z = 1.81

(c)

z = 0.80

(d)

z = 4.11

Q: Consider a standard normal random variable with μ = 0 and standard deviation σ = 1. (Round your answers to four decimal places.)

(a)    

P(z < 2) =



(b)    

P(z > 1.15) =



(c)    

P(−2.35 < z < 2.35) =



(d)    

P(z < 1.82) =

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