A sample of 20 was randomly selected from a normal population with a mean of 48.5 and a standard deviation of 7.79 what are the t value and the area under the curve of the follow ng population mean? A)m=50
B)m=52.15

Required: 1) t-value
2) Probability(p)
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Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)