In conducting a test on the hypotheses H0: µ = 50 and Ha: µ > 50, you find that the population mean is 55 when it is actually 50. This results in what type of error? a) No error
b) Type 1 error
c) Type 2 error
d) standard deviation of the mean
e) there is not enough info. given

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