Which of the following would be an example of the use of inferential statistics? you have your entire class's math grades, and you calculate the average math grade for your class. you have your entire class's math grades and you use the grades to find the average math grade for everyone in your school who's taken the same math course. you have your entire class's math grades, and you use these grades to estimate the average math grade for the same math course at another school.

For what value of x does 4x = (1/8) x + 5?

Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?