Find the direction of the vector, in degrees, of the vector 21 - 21. No need to indicate the un

Q: I need letter d. Thank you

A: The objective is to find in what ways the two sampling distributions of part (b) and (c) are similar…

Q: 13. 12 14. A 13. х 14. 2 CEB =

A: Explanation and solutions is given below....

Q: In a survey of 2982 adults, 1422 say they have started paying bills online in the last year.…

A: Solution-: Let, X= Number of adults have started paying bills online in the last year among 2982…

Q: Let p be the population proportion for the following condition. Find the point estimates for p and…

A: It is given that Favourable cases, x = 312Unfavourable cases, n-x = 1658Sample size, n = 1970

Q: (f) y" - 4y' + 5y = 0, y(0) = 1, y'(0) = 0

A:

Q: Given -1+ cos-(x) x2 + 10x + 16 -dx f(t) At what value of t does the local max of f(t) occur? t =

A: We find the required value of t for which local maximum value of f (t) occur.

Q: Evaluate 112x C: arc on y = x5/2 from (0, 0) to (4, 32) (2x - y) dx + (x + 3y) dy.

A:

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: The given confidence interval is (0.755, 0.781).

Q: 5 5 3 Suppose ff(x) dx = 25, f f(x) dx = 10, f g(x)dx = 10 and h(x) = = 3 0 0 the following: 0 b.…

A: NOTE: Refresh your page if you can't see any equations. . here we have

Q: Look for the solution of g(x) = e* - tan x = 2 utilizing the False Position Method between 5.1 and…

A: Here follow the python code.

Q: Draw the graph of the given rational function. V(x) = x²5x24 x + 3

A:

Q: K c=0.90, x= 16.4, o 8.0, and n = 80 H. A 90% confidence interval for u is (.). (Round to one…

A: Sample size (n) = = 80,  x̄ = 16.4 and  σ = 8.0

Q: d. Develop a 95% prediction interval for y when æ = 8 (to 2 decimals).

A: R code: library(readxl)df <- read_excel("C:/Users/ragha/Desktop/df.xlsx") model = lm(y~x,…

Q: Let p be the population proportion for the following condition. Find the point estimates for p and…

A: From the provided information,Sample size (n) = 834From which 105 plan to join the armed forces in…

Q: Draw the graph of the given rational function. 1(x) = x-1 x² - 8x + 7

A:

Q: Given: <PQR = 120° and <RST = 122° Find: mTPR Radius = 2 units T P S R

A: Given: ∠PQR=120° and ∠RST=122°To Find: mTPR⏜

Q: 2. Two mobiles move in the same direction along the line of equation x + 3 y + 10 z - 10 -20 10 20…

A: Given- Two mobiles move in the same direction along the line of the equation  x + 310 = y + 1020 = z…

Q: Diana is making smoothie using bananas, cantaloupes, and milk. This table gives the cost, per…

A: According to the given information,  cost of Bananas ingredient = 0.55x cost of Cantaloupes…

Q: Cos A +1+ sin A 2 sec A 1+ sin A %3D cos A

A: To Prove: cosA1+sinA+1+sinAcosA=2secA

Q: (f) y" - y' + 2y = 3e + 4 cos 2x

A: Consider the differential equation y''-y'+2y=3ex+4cos2x. To find the general solution of given…

Q: 13. 12 13. ха

A: Geometry circles

Q: Determine the differential eq characterizing the family of curve of the family. Circles passing…

A: Let the equation of circle be x-h2+y-k2=r2 Its passes through origin, i.e. 0-h2+0-k2=r2⇒h2+k2=r2…

Q: Consider the following hypothesis test: Ho: μ > 45 Ha: μ < 45 A sample of 36 is used. Identify the…

A: Given hypothesis test:H0:Sample size Level of significance

Q: . The Cauchy-Schwarz inequality says that if a = (a1, ..., an) and b = (b1,... ,bn) are two vectors…

A: