Mathematics, 14.04.2020 20:00 jdkrisdaimcc11
For each of the following functions, (i) find the constant c so that f(x) is a pdf of a random variable X, (ii) find the cdf, F(x) = P(X ≤ x), (iii) sketch graphs of the pdf f(x) and the cdf F(x), and (iv) find μ and σ2: (a) f(x) = 4xc, 0 ≤ x ≤ 1. (b) f(x) = c √x, 0 ≤ x ≤ 4. (c) f(x) = c/x3/4, 0 < x < 1
Answers: 1
Mathematics, 21.06.2019 13:00
Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked
Answers: 2
Mathematics, 21.06.2019 13:30
The soup shack usually makes tomato soup with 99 tomatoes for every 1212 cups of soup. today, they made 88 cups of soup with 66 tomatoes. how does today's soup compare to the usual recipe?
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Mathematics, 21.06.2019 21:20
Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?
Answers: 1
Mathematics, 21.06.2019 23:00
Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?
Answers: 1
For each of the following functions, (i) find the constant c so that f(x) is a pdf of a random varia...
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