Mathematics, 12.08.2020 05:01 isabellesolisss5217
A concerned group of citizens wanted to know if the proportion of armed robberies in Texas was different in 2011 than in 2010. Their research showed that of the 113,231 violent crimes in Texas in 2010, 7,622 of them were armed robberies. In 2011, 7,439 of the 104,873 violent crimes were in the armed robbery category. Test at a 5% significance level.
Required:
a. The null and alternative hypothesis would be:
b. Determine the test statistic.
c. Find the p-value and round to 4 decimals.
d. Write the conclusion.
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 18:40
A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days
Answers: 1
Mathematics, 21.06.2019 23:50
Apolynomial has two terms. check all of the factoring methods that should be considered. common factor difference of cubes sum of cubes difference of squares perfect-square trinomial factoring by grouping
Answers: 3
Mathematics, 22.06.2019 00:00
Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?
Answers: 1
You know the right answer?
A concerned group of citizens wanted to know if the proportion of armed robberies in Texas was diffe...
Questions
Mathematics, 24.11.2020 21:10
Business, 24.11.2020 21:10
Chemistry, 24.11.2020 21:10
Mathematics, 24.11.2020 21:10
English, 24.11.2020 21:10
Mathematics, 24.11.2020 21:10
Social Studies, 24.11.2020 21:10
Mathematics, 24.11.2020 21:10
