Rural share of the US population is 13% (the rest of the population is urban). We want to take a stratified sample from the US population with the size of "6 hundred". Out of "6 hundred", how many should be rural?

Q: A five by seven rectangle is centered on a ten by ten square.  What percent of the square is covered…

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Q: ce of 3 inches on the map that represents a distance of 48 miles, what is the representative f

A: Introduction: The ratio of a distance on the map to distance on the ground is known as a…

Q: seventeen percent of the plants in the greenhouse are broad leaf plants and the rest are grasses.…

A: Given, that there are broad leaf plants and grasses are in greenhouse, where 17% of the plants in…

Q: The death rate per 100,000 for coronary thrombosis is 422 among nonsmokers and 599 among smokers.…

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Q: A high school has 40 players on the football team. The summary of the players' weights is given in…

A: Given, Boxplot  of the high school football team.   According to box plot Min value = 152 Max value…

Q: What is the average of  2.0, 32.0, 44.0, 14.5, 7.5 ?

A: For a set of n observations, x1, x2, ... , xn, mean or average is given by, This is measure of…

Q: What is 409,000 nearest 10

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Q: Mr Hudson, the principal at Hoover High School, counted 31 seniors absent on Senior Skip Day. if…

A: Topic:- persentage

Q: 2. Ten randomly selected gold mines produced 21, 19, 20, 22, 24, 21, 19, 22, 22, and 20 barrels of…

A: Solution-: Given: μ0=22.5,α=0.01 (or 1%) Given data: 21,19,20,22,24,21,19,22,22,20 Is this enough…

Q: The football team has a total of 60 jerseys. The are 35 medium sized jerseys. What percent of the…

A: To Determine: what percent of the medium sized jerseys? Given: The football team has a total of 60…

Q: 68% of the parts were defective. The total of all parts was 1780. How many were defective?

A: Answer: 1)  Given, Total parts=1780   Defective parts in Percentage = 68%    We have to find a…

Q: 120 students took part in a cross-country race. 30% of them finished the race within the qualifying…

A: It is given that in a cross-country race, 120 students participated and out of them, 30% of the…

Q: Answer quick and show work! There are 500 people at a concert and 210 of them are teenagers. The…

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Q: On your hike, you brought 1.7 pounds of almond trail mix and 1.4 pounds of cashew trail mix. How…

A: Given: you have 1.7 pounds of almond trail mix and 1.4 pounds of cashew trail mix   To find: How…

Q: We have information on internationally standardized exam scores from 15 people, 5 each from Canada,…

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Q: 12 is 40% of what number using double number line

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Q: The death rate per 100,000 for lung cancer is 7 among non-smokers and 71 among smokers. The death…

A: Population etiologic fraction of lung cancer due to smoking…

Q: A 34% decrease resulted in 21 business in the downtown area. What was the number of businesses…

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Q: In the recent year, 27.3% of all registered doctors were female. If there were 58,900 female…

A: Given: In the recent year, 27.3% of all registered doctors were female. There were 58,900 female…

Q: In 1980, a certain country’s population was 79,588,924, and its area was 2,942,323 square miles.…

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Q: What is the standard error of the proportion of people that experience side effects?

A: It is given that favourable cases, x = 19Sample size, n = 19 + 87 = 106

Q: How to divide a percentage?

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Q: 1 8= -2r+5

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Q: How do we find a proportion from dimensions of2"x3" with the scale of .05 inches by5feet

A: To find a proportion from dimensions of 2"×3" scale is 0.05"→5ft

Q: A community has a population of 76,000. A total of 3,650 deaths were reported during the past year.…

A: Given problem is : A community has a population of 76,000. A total of 3,650 deaths were reported…

Q: 256 math majors were asked whether they had completed theirscience requirement, and 97 said "yes".…

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Q: uring the packaging process for vegetables, spoiled vegetables are discarded by an inspector. In one…

A: Total weight of vegetables = 1125 poundsWeight of spoiled vegetables = 8.8% of 1125 pounds