# HW_16 - ECO220Y Homework Lecture 16 Readings Section 8.2...

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ECO220Y: Homework, Lecture 16 Readings: Section 8.2, “Handout –lecture16” (posted on the portal. Go to “Content” – “Handout lecture16”), and Section 8.4 (excluding 2 ) Exercises: 8.15 – 8.33, 8.38, 8.46, 8.48, 8.52, 8.58, 8.64, 8.69, 8.70 (Note: Use table in “The Standard Normal table: Read it” to do these exercises), 8.83, 8.84, 8.95, 8.96 Applets (CD-ROM): Applet 4 (page 260), Applet 5 (page 265), Applet 6 (page 285), Applet 8 (page 292) Problems: (1) Suppose students’ heights (X) are normally distributed with mean 168 cm and s.d. 8 cm. (a) What is the probability that a randomly selected student is taller than Rafael Nadal (186 cm)? Illustrate your answer with a graph. (b) Suppose mean is 170 cm instead of 168 (s.d. is still 8 cm). This means that on average students are taller. Now, what is the probability that a randomly selected student is taller than Rafael Nadal (186 cm)? (c)

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HW_16 - ECO220Y Homework Lecture 16 Readings Section 8.2...

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