19. Which of the following best describes a multi-stage random sample? A. A random sample is taken from a population and then a second random sample is taken from the first sample.

B. Each individual in a population is assigned an ID number and then a random number generator selects a sample.

C. Every possible set of individuals has the same chance of being selected.

D. The population is first divided into groups, and then a simple random sample is taken from each group and combined to form a full sample.​

Amonument at a park is in the shape of a right square pyramid. a diagram of the pyramid and its net are shown. what is the surface area of the monument? enter the answer in the box. m²

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.

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth