Peter weighed some of the rocks in his rock collection and plotted their weights, in ounces, on the line plot.

what is the total weight of all the rocks that weighed ounce?

line plot from 0 to 1, labeled every one-eighth. one x mark is above one-eighth. two x marks are above one-fourth. five x marks are above one-half. one x mark is above five-eighths. three x marks are above three-fourths. two x marks are above seven-eighths.

a.1/10oz

b.2 1/2oz

c.5 oz

d.5 1/2oz

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain

Which of the following statements are true about the graph of f (x) = 1/4 coz ( x + π/3) - 1? select two of the following that apply.

Aliter of water contains about 3.35 x 10^25 molecules. a certain river discharges about 2.9x 10^8 l of water every second. about how many molecules does the river discharge every minute? write your answer in scientific notation