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Determine the following standard normal (z) curve areas. (Round all answers to four decimal places.) (a) The area under the z curve to the left of 1.74 .9591 Correct: Your answer is correct. (b) The area under the z curve to the left of −0.69 .2451 Correct: Your answer is correct. (c) The area under the z curve to the right of 1.2 .1151 Correct: Your answer is correct. (d) The area under the z curve to the right of −2.82 .9976 Correct: Your answer is correct. (e) The area under the z curve between −2.22 and 0.53 .6887 Correct: Your answer is correct. (f) The area under the z curve between −1 and 1 .6826 Correct: Your answer is correct. (g) The area under the z curve between −5 and 5 .3830 Incorrect: Your answer is incorrect.

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sqdancefan

Answer:

  (g) The area under the z curve between −5 and 5 is 1.0000

Step-by-step explanation:

The area between z=-5 and z=5 is about 0.9999994267. Rounded to 4 decimal places, it is 1.000.

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The incorrect answer shown in your problem statement is the approximate area between -0.5 and +0.5. My calculator says that area is 0.3829--but that is not what the question asked.

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