Directions: define a variable, set up an inequality, and solve.

michelle is taking a 50 question science test in which each question is worth 2 points each. if she must get at least a 92 on the test to make an a for the class, how many questions must she get correct?

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

What is 1/3x5 on anuber line what does it look like on a number line

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)