The population (in millions) of Americans under the age of 18 for selected years from 2015 and
Question:
The population (in millions) of Americans under the age of 18 for selected years from 2015 and projected through 2060 is shown in the following table.
(a) Find the mean of this population over this period.
(b) Find the standard deviation of this population over this period.
Transcribed Image Text:
Population (millions) Population (millions) Year Year 2015 75 2040 83 76 2020 2045 84 2025 78 2050 86 2030 80 2055 88 82 2060 2035 89
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 69% (13 reviews)
a x 821 10 821 milli...View the full answer
Answered By
Nazrin Ziad
I am a post graduate in Zoology with specialization in Entomology.I also have a Bachelor degree in Education.I posess more than 10 years of teaching as well as tutoring experience.I have done a project on histopathological analysis on alcohol treated liver of Albino Mice.
I can deal with every field under Biology from basic to advanced level.I can also guide you for your project works related to biological subjects other than tutoring.You can also seek my help for cracking competitive exams with biology as one of the subjects.
3.30+
2+ Reviews
10+ Question Solved
Related Book For
Mathematical Applications for the Management Life and Social Sciences
ISBN: 978-1305108042
11th edition
Authors: Ronald J. Harshbarger, James J. Reynolds
Question Posted:
Students also viewed these Calculus questions
-
For selected years from 1960 to 2018, total U.S. personal income I (in billions of dollars) can be approximated by the formula I = 492.4(1.070)t where t is the number of years past 1960. (a) What...
-
For selected years from 1950 and projected to 2050, the table shows the percent of total U.S. workers who were female. Assume these data can be modeled with the function p(t) = 78.6t + 2090 / 1.38t +...
-
Consider the proportion of Americans under the age of 18 living below the poverty level. The data are in the file P02_44.xlsx. a. Find the first six autocorrelations of this time series. b. Use the...
-
At each point evaluate the function or indicate that the function is undefined there. k(x,y) = xe, (1,0), (3,3), (0, 12)
-
Two railroad cars, each of mass 7650kg and traveling 95km/h in opposite directions, collide head-on and com to rest. How much thermal energy is produced in this collision?
-
How can flexible benefits motivate employees?
-
Unit Conversion. 1 kilogram (kg) is equal to 2.20462 pounds. Convert \(13 \mathrm{~kg}\) to pounds. Round to three decimal places, if necessary.
-
The following information pertains to Crane Video Company. 1. Cash balance per bank, July 31, $7,263. 2. July bank service charge not recorded by the depositor $28. 3. Cash balance per books, July...
-
es FARO Technologies, whose products include portable 3D measurement equipment, recently had 28 million shares outstanding trading at $30 a share. Suppose the company announces its intention to raise...
-
37m left H ALL O 1 2 3 4 5 7 8 5. Minimum Processing Time A computing cluster has multiple processors, each with 4 cores. The number of tasks to handle is equal to the total number of cores in the...
-
The table gives the monthly insurance rates for a $100,000 life insurance policy for smokers aged 35-49. (a) Find the mean monthly insurance rate for these ages. (b) Find the standard deviation of...
-
1. The following table gives the enrollments in U.S. public schools, in thousands, for selected years from 1899 and projected to 2022. (a) What is the mean public school enrollment for these years?...
-
The manager for Tyler Bank and Trust has the following assets and liabilities to manage: If the manager wants a duration gap of 3.00, what level of saving accounts should the bank raise? Assume that...
-
Question Two: Blue Company is unable to reconcile the bank balance at January 31. Blue's reconciliation is as follows. Cash balance per bank $5,300 Add: NSF check 1,490 Less: Bank service charge 25...
-
The economy of Sumer produces only three products: rice, pajamas, and beer. The base year is 2018. The quantities and prices of these products in 2018 and 2019 are shown in the table below. Quantity...
-
Alvarado Company produced 3,000 units of product that required 3.5 standard direct labor hours per unit. The standard fixed overhead cost per unit is $2.10 per direct labor hour at 9,600 hours, which...
-
Introduction: Top Secret, Inc. (TSI) faces significant business-related challenges stemming from the use of a single-purpose operating system (TSI OS) for its back-office functions. This decision,...
-
Suppose you, as a college student, could choose between completing either a math assignment or a microeconomics assignment. Assume that you could complete the math assignment in 30 minutes, but...
-
Prove that the general solution of on the interval (-, ) is X' = -6
-
Explain how the graph of each function can be obtained from the graph of y = 1/x or y = 1/x 2 . Then graph f and give the (a) Domain (b) Range. Determine the largest open intervals of the domain over...
-
Suppose that f(x) = e-x for 0 < x. Determine the following probabilities: (a) P(1 < X) (b) P(1 < X < 2.5) (c) P(X = 3) (d) P(X < 4) (e) P(3 < X
-
Suppose that for f(x) = e-x for 0 < x (a) Determine x such that P(x < X) = 0.10. (b) Determine x such that P(X < x) = 0.10.
-
Suppose that f(x) = e/8 for 3 < x < 5 for Determine the following probabilities: (a) P(X < 4) (b) P(X > 3.5) (c) P(4 < X < 5) (d) P(X < 4.5) (e) P(X < 3.5 or X > 4.5)
-
Val's Hair Emporium operates a hair salon. Its unadjusted trial balance as of December 31, 2021, folla information about selected accounts. Account Names Cash Supplies Prepaid Rent Accounts Payable...
-
Consider the following independent situations, all of which apply to audits of entities for the year ending 30 June 20X8: BWC Limited sells high-end women's fashion in a highly competitive market....
-
Price-Earnings (P/E) Ratio : Evaluate the P/E ratio for a company with a market price per share of $30 and earnings per share (EPS) of $3. What does this ratio indicate about the company's valuation?
Study smarter with the SolutionInn App