The Iowa Department of Transportation repaired hundreds of bridges in 1993. To check the average cost to repair a bridge, a random sample of n-55 bridges was chosen. The mean and standard deviation for the sample are $25,788 and $1,540, respectively. Records from previous years indicate an average bridge repair cent was $25,003. Use the sample data to test that the 1993 mean is greater than $25,003 Use -0.05. What is the null and alterate hypothesis? AH025788 s Habar not equal 25788 H0:-2500325003 OCH225786 vs. Hamu not equal 25788 OH2500 vs Hackbar not equal 25003

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
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Chapter10: Statistics
Section10.4: Distributions Of Data
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The Iowa Department of Transportation repaired hundreds of bridges in 1993. To check the average cost to repair a bridge, a random sample of n-55
bridges was chosen. The mean and standard deviation for the sample are $25,788 and $1,540, respectively. Records from previous years indicate an
average bridge repair cent was $25,003. Use the sample data to test that the 1993 mean is greater than $25,003 Use -0.05.
What is the null and alterate hypothesis?
AH025788 s Habar not equal 25788
H0:-2500325003
OCH225786 vs. Hamu not equal 25788
OH2500 vs Hackbar not equal 25003
Transcribed Image Text:The Iowa Department of Transportation repaired hundreds of bridges in 1993. To check the average cost to repair a bridge, a random sample of n-55 bridges was chosen. The mean and standard deviation for the sample are $25,788 and $1,540, respectively. Records from previous years indicate an average bridge repair cent was $25,003. Use the sample data to test that the 1993 mean is greater than $25,003 Use -0.05. What is the null and alterate hypothesis? AH025788 s Habar not equal 25788 H0:-2500325003 OCH225786 vs. Hamu not equal 25788 OH2500 vs Hackbar not equal 25003
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