Mathematics, 17.07.2020 17:01, jared3274
One of the questions in the Pew Internet & American Life Project asked adults if they used the Internet at least occasionally. The results showed that 454 out of 478 adults aged 18β29 answered Yes; 741 out of 833 adults aged 30β49 answered Yes; and 1,058 out of 1,644 adults aged 50 and over answered Yes. If required, round your answers to four decimal places. (a) Develop a point estimate of the proportion of adults aged 18β29 who use the Internet. (b) Develop a point estimate of the proportion of adults aged 30β49 who use the Internet. (c) Develop a point estimate of the proportion of adults aged 50 and over who use the Internet. (d) Comment on any apparent relationship between age and Internet use. The input in the box below will not be graded, but may be reviewed and considered by your instructor.
Answers: 2
Mathematics, 21.06.2019 16:00, isabellemaine
Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v
Answers: 2
Mathematics, 21.06.2019 18:30, joaquin42
Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.
Answers: 1
One of the questions in the Pew Internet & American Life Project asked adults if they used the I...
Mathematics, 01.04.2021 20:20
Arts, 01.04.2021 20:20
Mathematics, 01.04.2021 20:20
Mathematics, 01.04.2021 20:20