Mathematics, 19.03.2021 01:00 hiene
In a random sample of 50 Americans five years ago (Group 1), the average credit card debt was $5,779. In a random sample of 50 Americans in the present day (Group 2), the average credit card debt is $6,499, Let the population standard deviation be $1,152 five years ago, and let the current population standard deviation be $1,634. Using a 0.01 level of significance, test if there is a difference in credit card debt today versus five years ago. What is the p-value? Make sure you put the 0 in front of the decimal. (Round to 4 decimal places) p-value =___
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If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?
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Mathematics, 21.06.2019 21:10
The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25
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Ken leaves work 20 minutes late. he decides to make up time by taking the toll road instead of side streets. he can travel three times faster by taking the toll road. create an equation to represent his total travel time, including wait time, where x is the number of minutes the drive was expected to take
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Mathematics, 22.06.2019 04:00
Ineed ! what is the connection between ratios, fractions, and percents? give an example with your answer.
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In a random sample of 50 Americans five years ago (Group 1), the average credit card debt was $5,779...
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