summer intern at the Lego factory in Billund, Denmark, samples 43 yellow bricks and 28 red bricks and measures their weight. She finds sample means of 4 grams (yellow bricks) and 4.3 grams (red bricks), and sample standard deviations of 0.16 (yellow) and 0.24 (red), respectively. Compute the 95% confidence interval for the mean weight of red bricks. lower bound number (rtol

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)