Q15 Needed to be solved this multiple choice question correctly in 30 minutes and get the thumbs up please provide correct option The projected population in a certain area is given for different decades. The projected number of people 65 years of age or older is also given. Find the percentageof people 65 or over and comment on the trend over time. Numbers are in millions of people.Click the icon to view the data table..Determine the percentage of the population that is 65 or over in each of the years.(Round to one decimal place as needed.).Year PopulationOlderPopulationPercentage ofpopulation202033652.1%203035772.9%204037580.5%205040489.8%Births and Death in ThousandsYear2020Population336OlderPopulation52.1203035772.9204037580.5205040489.8DonePrintX

Here Given the Total Population and No of People age greater than 65. Percentage of people greater…

The projected population in a certain area is given for different decades. The projected number of people 65 years of age or older is also given. Find the percentage of people 65 or over and comment on the trend over time. Numbers are in millions of people.

The projected population in a certain area is given for different decades. The projected number of people 65 years of age or older is also given. Find the percentage of people 65 or over and comment on the trend over time. Numbers are in millions of people.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 8PPS

See similar textbooks

Related questions

Q: In a left-tailed hypothesis for a population mean where the population standard deviation is…

A: Each hypothesis test has two approaches to maked conclusion about them. The two approaches are p…

Q: 6. The effects of two catalysts on the mean yield of a chemical process are being investigated. UA…

A: We have given that, the Claim difference is there is difference between the mean yields from the two…

Q: 3. Ophthalmic lens is used in optical device to enhance vision addressing the visual needs of the…

A: Confidence interval are used to examine the range where the population parameter can occur. It has…

Q: The distance travelled to work by the employees of PUP may be modelled by a normal distribution with…

A: Answer:- Given the distance traveled to work by the employees of PUP may be modeled by a normal…

Q: A researcher wants to know whether identical twins differ in their self-confidence. Specifically,…

A: Correlated samples t test or matched pairs t test: The paired t is used when the two sample are…

Q: Which effect size measure should be used if the researcher wants to understand how much variability…

A: The effect of a statistical test can be measured using Cohen’s d. The Cohen’s d formula is: d =…

Q: Confidence Interval: You want to find a 93% confidence interval for the true proportion of…

A: Givenpopulation proportion(p)=0.06x=25n=345p^=xn=25345=0.0725Confidence level=93%

Q: The cost of 5 gallons of ice cream has a variance of 36 with a mean of 31 dollars during the summer.…

A: Given,sample size(n)=39standard deviation(σ)=36=6mean(μ)=31

Q: What is the normal duration of the project in weeks? * Activity Contract Preceding Normal Amount…

Q: The data were collected from a statistics class. The column head gives the variable, and each of the…

A: The categorical variable has two or more categories,

Q: probability that this sample will have an average score between 21 and 26?

A: Given Data : Population Mean,μ = 25 Population Standard Deviation,σ = 6.5

Q: (c) Using the 99 percent confidence interval, can we be 99 percent confident that is at least 50…

A: Since we only do up to three sub parts of a problem, we'll be doing the first three subparts only.…

Q: The average weight of insects for a laboratory experiment is 13.2 g with a standard deviation of 0.8…

A: From z tables, we get the p value

Q: In a study comparing banks in Germany and Great Britain, a sample of 145 matched pairs of banks was…

A: Given , d = German – Great Britain Sample mean of the difference = d¯ = 0.0518 sample standard…

Q: Every fuzzy set A can be expressed as the union of all the fuzzy points which Belong to A O Non all…

A: Fuzzy set can have values which doesn't precisely meet the criteria but are approximately close.

Q: Consider these 1669 people to be a population. Let Xbe the number of hours of relaxation for a…

A: 2) A recent survey asked people how many hours per day they were able to relax. Given data:…

Q: what is reggresion analysis

A: Linear Regressions:- Regression analysis is a form of predictive modelling techniques that identify…

Q: Sample 1 n1 = 20 x₁ = = 22.7 S₁ = 2.6 $1 Sample 2 72 = 30 x₂ = 20.1 $₂ = 4.4

A: Given,For sample 1 :sample size (n1) =20sample mean (x̄1) = 22.7sample standard deviation (s1) =…

Q: You may need to use the appropriate appendix table or technology to answer this question. A survey…

Q: Consider an elementary example where we are in lowing n = 6 points: D = {0, 10, 10, 10, 20, 20}. It…

A: The data is as follows D={0,10,10,10,20,20} n=6

Q: The data were collected from a statistics class. The column heads give the variable, and each of the…

A: It is given that the data were collected from a statistics class.

Q: Find zα/2 for each of the following confidence levels used in estimating the population mean. (You…

A: We need to calculate the critical values Zα2 for the given confidence levels used in estimating the…

Q: ov states there are 15,058,670 acres of farmland in Indiana. If approximately 65% of Indiana is…

A: There are 15,058,670 acres of farmland in Indiana. Given,it is 65% of total land in Indiana…

Q: onsider the ff. data set, in which a maker of asphalt shin rticular year and factors that influence…

A: The given data is y x1 x2 x3 x4 291.9 9 56 5 10 160 4 42 8 4 339.4 6.5 73 5 16 159.6 5.5…

Q: average family the variance is 5.29 kW and the mean is 19.9 kW per day. If they are using 80% level…

A: Given : Margin of error, ME = 0.14 population standard deviation, σ = √5.29…

Q: According to analysis of variance, there are assumptions to follow when choosing the right…

A: Given:Violation of assumption (test of homogeneity) of ANOVA test then we can use then we can use…

Q: 1. A company manufactures LCD monitors, which have a lifespan that is approximately normally…

A: As per our guidelines we are suppose to answer only one question1)GivenMean(x)=180standard…

Q: A small regional carrier accepted 13 reservations for a particular flight with 12 seats. 6…

Q: Using 1% level of significance, test if the population average is not 73.

A: A normally distributed standardized English test is known to have a mean score of 73 and a standard…

Q: Suppose that the weight of an newborn fawn is Uniformly distributed between 2.3 and 3 kg. Suppose…

A: Uniform distribution is also known as rectangular distribution. It has observation lie in an…

Q: Out of 600 people sampled, 546 had kids. Based on this, construct a 99% confidence interval for the…

A: We have given that, Sample size (n) = 600 and favorable cases (X) = 546 Then, We will find the…

Q: A mobile company is innovating a new mobile phone and is interested how long it will take for a…

A: Given: Population standard deviation σ = 15 Sample size n = 35 Sample mean X > 35 Formula Used:…

Q: 1. What is the main source of qualitative data? between 2. What are the differences qualitative and…

A: Data are the basic material needed for effective statistical inference and decision-making on a…

Q: The amount of milk sold each day by a grocery store varies according to the Normal distribution with…

Q: Ho: μ = 100 H₂: H 100 A sample of 65 is used. Identify the p-value and state your conclusion for…

A: a) Given data : sample size, n =65 sample mean, x̄ = 104 sample standard…

Q: A courier service claims that only 5 % of all its deliveries arrive late. Assuming deliveries are…

A: Note: As per guidelines we are supposed to solve only first three sub parts. Please repost the other…

Q: The data were collected from a statistics class. The column head gives the variable, and each of the…

A: In statistics, according to measurement, data can be categorized in two types, such as quantitative…

Q: Dr G is conducting a research on the number of hours students spend studying Statistics. He selects…

A: The question is about sample size estimation Given : Popl. std. deviation ( σ ) = 2.3 hours Pop.…

Q: The Department of Transportation reports that out of all fatal crashes, 6% of the drivers were…

A: Given,n=345x=25p^=xnp^=25345=0.0725α=0.05

Q: 38. Which of the following is(are) TRUE about the predicted model?* I. At 5% level of significance,…

A: Given, Another model was created wherein three explanatory variables were included to predict…

Q: The closer to zero the stronger relationship and the closer to 1.0 the weaker the linear…

Q: What happens to the confidence intervals when the sample size is increased to 40? (the first sample…

A: The confidence interval is a defined range of values and it contains the true population parameter…

Q: Determine construct the sample size is 5 and the level confidence is 99.9%. the value of t necessary…

A: Answer :- Determine the value of t necessary to construct a confidence interval when…

Q: (b) In random order the standard deviations of the data displayed in each of the histograms above…

A: Standard deviation is the measure of variation of a distribution.

Q: Use the model to estimate the profit in 1978

A: Let Y represent the profit (or loss) for a certain company X years after 1970. Based on the data…

Q: Express the confidence interval (13.8 %, 20 %) in the form of p + E.

A: Here Given Confidence Interval (13.8%, 20%)

Q: A medical researcher wishes to see whether there is a relationship between a person’s age,…

A: Given that A medical researcher wishes to see whether there is a relationship between a person’s…

Q: 22 17 29 36 42 24 24 25 99% CI for the standard deviation of the coating layer thickness…

A: Given 22,17,29,36,42,24,24,25

Q: The FBI wants to determine the effectiveness of their 10 most wanted list. To do so they need to…

Q: A market research firm reported that the mean annual earnings of all family practitioners in the…

A: From the provided information, Sample size (n) = 38 Sample mean (x̄) = 198513 Sample standard…

Question

Q15 Needed to be solved this multiple choice question correctly in 30 minutes and get the thumbs up please provide correct option

The projected population in a certain area is given for different decades. The projected number of people 65 years of age or older is also given. Find the percentage
of people 65 or over and comment on the trend over time. Numbers are in millions of people.
Click the icon to view the data table..
Determine the percentage of the population that is 65 or over in each of the years.
(Round to one decimal place as needed.).
Year Population
Older
Population
Percentage of
population
2020
336
52.1
%
2030
357
72.9
%
2040
375
80.5
%
2050
404
89.8
%
Births and Death in Thousands
Year
2020
Population
336
Older
Population
52.1
2030
357
72.9
2040
375
80.5
2050
404
89.8
Done
Print
X

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here