Mathematics, 27.08.2019 19:20 sajawalkhan148
Acredit reporting agency claims that the mean credit card debt in a town is greater than $3500. a random sample of the credit card debt of 20 residents in that town has a mean credit card debt of $3600 and a standard deviation of $391. at α=0.10, can the credit agency’s claim be supported, assuming this is a normally distributed data set?
Answers: 2
Mathematics, 20.06.2019 18:04
The $x$-intercepts of the parabola $y = x^2 + bx + c$ are $(-3,0)$ and $(5,0).$ find the equation of the parabola, and submit your answer in $y = ax^2 + bx + c$ form.
Answers: 1
Mathematics, 20.06.2019 18:04
Write a positive or negative number to represent each situation. a. you win 150 dollars in a contest b. a loss of 15 yards in a football game c. 75 feet below sea level d. 35 degrees above 0 f e. a debt of 24.75 dollars
Answers: 1
Mathematics, 21.06.2019 13:00
Use this data in the problem below. follow the steps carefully. round to the nearest tenth. lot 3: week 1: 345 week 2: 340 week 3: 400 week 4: 325 step 1. jim enters the data and calculates the average or mean. step 2. jim calculates the deviation from the mean by subtracting the mean from each value. step 3. jim squares each deviation to remove negative signs. step 4. jim sums the squares of each deviation and divides by the count for the variance. step 5. jim takes the square root of the variance to find the standard deviation.
Answers: 2
Acredit reporting agency claims that the mean credit card debt in a town is greater than $3500. a ra...
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