[20 POINTS] At a certain high school, 15 students play stringed instruments, 20 students play brass instruments, and 5 students play neither stringed nor brass instruments. what is the probability that a randomly selected student plays either a string or brass instrument?

Describe all the numbers that when rounded to the nearest thousand are 645,000

If g(x) is an odd function, which function must be an even function?

Now max 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.