50 points ! on a drawing, the scale is 1 centimeter to 50 centimeters. which of the following is not correct? actual length = 150 cm; drawing length = 3 cm actual length = 250 cm; drawing length = 5 cm drawing length = 9 cm; actual length = 400 cm drawing length = 7 cm; actual length = 350 cm

Three coins are flipped. what is the probability that there will be at least two tails?

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

Me 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.