Random random sample students were surveyed as to how much non-School screen time they had each week for the purpose of the service screen was defined as time and spent online on social media watching TV or playing video games and if the grade average was above or below 80

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Which of the following is true for the relation f(x)=2x^2+1

Someone answer asap for ! 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.