his QuestioOh: 4 bts 3 of 14 (2 complet Determine the area under the standard no

Question

his QuestioOh: 4 bts 3 of 14 (2 complet Determine the area under the standard normal curve that lies to the left of (a) Z--0 86, (b) Z-032, (c) Z-1 52, and (d) 0 21. (a) The area to the left of Z0.86 is Round to four decimal places as needed.) (b) The area to the left of Z-0.32 is (Round to four decimal places as needed.) (c) The area to the left of Z- 152 is (Round to four decimal places as needed.) (d) The area to the left of Z =0.21 is [ ] Round to four decimal places as needed.) Enter your answer in each of the answer boxes.

Explanation / Answer

a)

P( Z < -0.86) = 1 - P( Z < 0.86)

= 1 - 0.8051 (Probability calculated from z table)

= 0.1949

b)

P( Z < 0.32) = 0.6255 (Probability calculated from z table)

c)

P( Z < 1.52) = 0.9357(Probability calculated from z table)

d)

P( Z < 0.21) = 0.5832(Probability calculated from z table)

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