Bill scored 78, 63, 81, 86, and 74 on the first five math tests. round each score to the nearest 10 to find an estimate of the total points bill scored. a. 320 b. 340 c. 360 d. 380\

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

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

Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?