Mathematics, 06.07.2019 19:10 jenniferpt
Forty percent of households say they would feel secure if they had $50,000 in savings. you randomly select 8 households and ask them if they would feel secure if they had $50,000 in savings. find the probability that the number that say they would feel secure is (a) exactly five, (b) more than five, and (c) at most five.
Answers: 1
Mathematics, 21.06.2019 23:00, Baby010391
Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122
Answers: 1
Mathematics, 21.06.2019 23:00, freebyyy7032
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
Answers: 2
Mathematics, 22.06.2019 02:00, Dweath50
Look at this system of equations. -3x + 3y = 12 y = x + 4 the solution set of this system is best explained by which of these statements? a) the graphs of the equations are the same line because the equations have the same slope and the same y-intercept. the system has infinitely many solutions. b) the graphs of the equations are parallel lines because they have the same slope but different y-intercepts. the system has no solution. c) the graphs of the equations are lines that intersect at one point because the equations have the same slope but different y-intercepts. the system has exactly one solution. d) the graphs of the equations are lines that intersect at one point because the equations have the same slope and the same y-intercept. the system has exactly one solution.
Answers: 2
Forty percent of households say they would feel secure if they had $50,000 in savings. you randomly...
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