Determine the area under the standard normal curve that lies to the left of (a)

Question

Determine the area under the standard normal curve that lies to the left of (a) Z =-0.85, (b) Z =-0.11, (c) Z = 0.96, and (d) Z =-0.17 Click the icon to view a table of areas under the normal curve. (a) The area to the left of Z0.85 is Round to four decimal places as needed.) (b) The area to the left of Z =-0.11 is Round to four decimal places as needed.) (c) The area to the left of Z 0.96 is Round to four decimal places as needed.) (d) The area to the left of Z =-0.17 is (Round to four decimal places as needed.)

Explanation / Answer

Solution :

Using standard normal table,

(a) P(z < -0.85) = 0.1977

Area = 0.1977

(b) P(z < -0.11) = 0.4562

Area = 0.4562

( c) P(z < 0.96) = 0.8315

Area = 0.8315

(d) P(z < -0.17) = 0.4325

Area = 0.4325

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