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Statistics / Elementary Statistics: A Step by Step Approach 8th ed. 8 / Chapter 4-1 / Problem 24

Elementary Statistics: A Step by Step Approach 8th ed. | 8th Edition | ISBN: 9780073386102 | Authors: Allan G Bluman Professor Emeritus

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Chapter 4, Problem 24

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QUESTION:

Computers in Elementary Schools Elementary and secondary schools were classified by the number of computers they had. Choose one of these schools at random. Computers 110 1120 2150 51100 100_ Schools 3170 4590 16,741 23,753 34,803 Choose one school at random. Find the probability that it has a. 50 or fewer computers 0.295 b. More than 100 computers 0.419 c. No more than 20 computers 0.093 Source: World Almanac. 19 2 9 3 4 3 4 1 4 1 8

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QUESTION:

Computers in Elementary Schools Elementary and secondary schools were classified by the number of computers they had. Choose one of these schools at random. Computers 110 1120 2150 51100 100_ Schools 3170 4590 16,741 23,753 34,803 Choose one school at random. Find the probability that it has a. 50 or fewer computers 0.295 b. More than 100 computers 0.419 c. No more than 20 computers 0.093 Source: World Almanac. 19 2 9 3 4 3 4 1 4 1 8

ANSWER:

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(a) The probability that selected school has 50 or fewer computers is

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