Normal cattle The Virginia Cooperative Extension reports that the mean weight of yearling Angus steers is 1152 pounds. Sup- pose that weights of all such animals can be described by a Normal model with a standard deviation of 84 pounds. What percent of steers weigh

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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SECTION 5.4
13. Normal cattle The Virginia Cooperative Extension reports that
the mean weight of yearling Angus steers is 1152 pounds. Sup-
pose that weights of all such animals can be described by a
Normal model with a standard deviation of 84 pounds. What
percent of steers weigh
a) over 1250 pounds?
b) under 1200 pounds?
c) between 1000 and 1100 pounds?
Transcribed Image Text:SECTION 5.4 13. Normal cattle The Virginia Cooperative Extension reports that the mean weight of yearling Angus steers is 1152 pounds. Sup- pose that weights of all such animals can be described by a Normal model with a standard deviation of 84 pounds. What percent of steers weigh a) over 1250 pounds? b) under 1200 pounds? c) between 1000 and 1100 pounds?
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