Angle A terminates in the fourth quadrant with cosA= 4/5. The exact value of A is? Answers
a. 4/3 b. 3/4 c. -4/3 d. -3/4

Is it greater than or less than7*3_9*2

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table

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