Recent questions in Census

Census
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drogaid1d8
2022-11-16

The United States Census Bureau started releasing the results of the latest census. Among many other pieces of information, the bureau recoded the race or ethnicity of the residents of every county in every state. From these results the bureau calculated a 'diversity index,' which measures the probability that two people chosen at random are of different races or ethnicities. The census determined that in a county in Wisconsin, 83% of its residents are white, 8% are black, and 9% are Asian. Calculate the diversity index for this county.

Census
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Filloltarninsv9p
2022-11-14

Census
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sbrigynt7b
2022-11-11

a.A is a Knight and B is a Knave.

b.A is a Knave and B is a Knight.

c.Both are Knaves.

d.Both are Knights.

e.No conclusion can be drawn.

Not able to grasp it please someone help me

Census
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InjegoIrrenia1mk
2022-11-07

The most recent census shows that men make up 50% of the Canadian population, with women making up the remainder.

You randomly pick a Canadian that is 15 years old or older. What is the probability this person

a) Is male and a smoker?

b) is a women and not a smoker?

c) What percentage of smokers are male?

d) What percentage of smokers are women?

I think I've got 1/2 of a probability table figured out,

P(Male) = 0.5

P(Male complement) = 0.5,

P(Smoker) = 0.19

P(Smoker Complement) = 0.81

I'm just stuck on how to fill in the middle. Would appreciate any help!

Census
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gasavasiv
2022-10-25

Census
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Tyson Atkins
2022-10-24

I have a statistics problem I am having a hard time figuring out how to model mathematically.

The 1790 US Census counted 697,681 slaves and 59,196 free Africans in the United States.

(A) assume importation began in 1620 and increased according to some unknown exponential function

(B) assume a rate of natural increase at 2.5% per annum

(C) assume all free Africans are manumitted slaves or their descendants and the rate of manumission is constant during the entire period

Given these assumptions, what is the function that would describe the annual number of slaves imported during that time (1620-1790)?