Answered: 2. On the Math SAT, men have a distinct… | bartleby

Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 64E

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Question 2

vii. Which block is the most dense?
(A) 1–2
(B) 3-5
(C) 8–11
(D) 12-15
2. On the Math SAT, men have a distinct edge. In 2005, for instance, the men averaged about 538,
and the women averaged about 504.
(a) Estimate the percentage of men getting over 700 on this test in 2005.
(b) Estimate the percentage of women getting over 700 on this test in 2005.
You may assume (i) the histograms followed the normal curve, and (ii) both SDs were about 120.
3. For the 988 men age 18-24 in the HANES sample
average height = 70 inches
average weight 162 pounds SD 30 pounds
SD 3 inches
correlation 0.47
One man in the sample was 66 inches tall and weighed 140 pounds. In comparison with the other
men in the sample of the same height, this man would be
(i) a little light
(ii) a little heavy
Circle one option and explain your choice.

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