Problem 3.1 - enhanced - with feedback you may want to review ( pages 65 - 67) . part a draw the vector d⃗ =a⃗ +b⃗ . the location and orientation of the vector will be graded. the length of the vector will not be graded.

What is the missing step in this proof ?

Adistribution has the five-number summary shown below. what is the third quartile, q3, of this distribution? 22, 34, 41, 55, 62

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