Mathematics, 10.12.2019 04:31 roperbailey
Aresearcher wants to know if the average time in jail for robbery has increased from what it was several years ago when the average sentence was 7 years.
he obtains data on 400 more recent robberies and finds an average time served of 7.5 years.
if we assume the standard deviation is 3 years, what is the p-value of the test?
Answers: 2
Mathematics, 21.06.2019 18:40
The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?
Answers: 2
Mathematics, 22.06.2019 02:30
Which number completes the system of linear inequalities represented by the graph? y > 2x – 2 and x + 4y >
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Aresearcher wants to know if the average time in jail for robbery has increased from what it was sev...
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