PP-PS1完整詳解版-V2[1].0

09 2500 practicetest1problemsolvingkeys 1a 2e 3d 4d

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: h other. What is the total number of different possible seating arrangements for the group? (A) 5 (B) 10 (C) 24 (D) 32 (E) 120 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 由由由由C 由由由由 由由由由由由由 由5由 由由由由由由由 由由由由由由... ABCDE BCDEA CDEAB DEABC EABCD 由由由由 由由由由由由由5!/5=4! 由由由由由由由由由由由由由由由由由由由由由由由由由 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 78. 9077­!­item­!­187;#058&006227 From a bag containing 12 identical blue balls, y identical yellow balls, and no other balls, one ball will be removed at random. If the probability is less than 2/5 that the removed ball will be blue, what is the least number of yellow balls that must be in the bag? (A) 17 (B) 18 (C) 19 (D) 20 (E) 21 79. 9123­!­item­!­187;#058&006238 A certain builder is selling five homes for the following prices: $157,000, $168,000, $195,000, $235,000, and $256,000. If the price of the most expensive home is increased $10,000, which of the following statements best describes the change in the mean and the median of the home prices? (A) The mean and the median will remain unchanged. (B) The mean will remain unchanged but the median will increase. (C) The mean will increase but the median will remain unchanged. (D) The mean and the median will increase by the same amount. (E) The mean and the median will increase by different amounts. ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­...
View Full Document

This note was uploaded on 12/05/2012 for the course BUSINESS Finance taught by Professor Zheng during the Winter '05 term at Xiamen University.

Ask a homework question - tutors are online