Mathematics, 10.12.2020 17:10, vanydparis
Three snowballs were perfectly symmetrical and their diameters where in the ratio 2 to 3 to 4 if the smallest snowball had a diameter of 12 inches what is the height of the snowman in inches
Answers: 3
Mathematics, 21.06.2019 23:10, jaylenmiller437
Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth
Answers: 2
Mathematics, 22.06.2019 04:30, RichardKing2376
Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t. inv.2t to find the value of t for the interval calculation.
Answers: 1
Three snowballs were perfectly symmetrical and their diameters where in the ratio 2 to 3 to 4 if the...
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