PLZ HELP Select all the reasons why random samples are preferred over other sampling methods.

A random sample is likely to give you a sample that is representative of the population.

If you select a random sample, you can determine how many people you want in the sample.

A random sample is a fair way to select a sample because each member of the population has an equal chance of being selected.

A random sample is always the easiest way to select a sample from a population.

What is the value of the expression below? 148+(-6)| + |– 35= 7|

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.

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.