From a population of size 1,000, a random sample of 100 items is selected. the mean of the sample

a.
? must be equal to the mean of the population, if the sample is truly random.

b.
? must be 10 times larger than the mean of the population.

c.
? can be larger, smaller or equal to the mean of the population.

d.
? must be 10 times smaller than the mean of the population.

Which inequalities can be used to find the solution set of the following inequality? check all that apply. |2x – 5| (2x – 5) (2x + 5) –(2x – 5) –(2x + 5)

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

Even if a person is in very good shape, applying to be a police officer requires commitment to fitness. applicants must pass a physical fitness test. in order to prepare for the test, janet purchases an activity tracker to court her steps. her goal is to walk 10,000 steps each day. she measures heard average step length to be 30 inches. play janet runs, her average steps length increases to 36 in. how many steps would she have to take to run 1 mile 50280 round to the nearest step