1 pts Question 2
Rayna is building a tapered staircase using bricks. The bottom stair is
45 bricks wide, and the top stair is 15 bricks ft wide. Each stair is 2
bricks shorter than the one below. What is the total amount of bricks
Rayna needs to build the staircase? Type the total amount of bricks.

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.