Stress at work: In a poll conducted by the General Social Survey, 81% of respondents said that their jobs were sometimes or always stressful. Two hundred workers are chosen at random. Use the TI-84 Plus calculator as needed. Round your answer to at least four decimal places. (a) Approximate the probability that 155 or fewer workers find their jobs stressful. (b) Approximate the probability that more than 145 workers find their jobs stressful. (c) Approximate the probability that the number of workers who find their jobs stressful is between 154 and 172 inclusive.

Q: Question 12

A: Given: Value of the trading card = $155 (in 2009) Each year increases by = 4.8% = 0.048 To…

Q: d. 噩田

A:

Q: Do dominant and subordinate individuals differ in the means of giggle spectral CV?

A: For Group : Dominant Individual Standard Deviation, s: 0.05410 Count, N: 9 Sum, Σx: 2.755…

Q: Question 6 part 1,2,3

A:

Q: parts iv and v please

A: Given is a question on the probability of failure/success. Number of failed O-rings 0 1 2 3 4 5 6…

Q: Question 18.30

A: The given data

Q: question 5

A: The Specialty Toys Company faces a challenge of deciding what percentage units of a brand new toy…

Q: Question 26

A: We have given a graph which represent the derivative f' of some function f. we have to draw the…

Q: 60. f -1 | f' f" -1

A: According to the sign chart, we have

Q: Q#02: Show that 2リー33+5 -- t, esint 3.

A: Some properties of Laplace inverse of a function  Linearity property :…

Q: Question 4 too please.

A:

Q: What is AA-. wbetce 2 2 1 2 2 2 1 1 A = 2

A: To Determine: find AA-1 Given: we have a matrix A=122212221 Explanation: we have a matrix…

Q: 4.5-10

A: Introduction: Suppose X and Y follow the bivariate normal distribution with mean and variance of X…

Q: L43 L2) De termine a para metriaation for right circular cone with vertex and slant height S.…

A: To write the parametrization of a right circular cone: z=x2+y2 xz trace, z=x2+0  =x2z=x yz trace,…

Q: A1 .A = -5 .A%3D

A:

Q: Prove that (A-1)-1 = A. %3|

A: Let A be inverse of matrix A. Then, by definition We know that

Q: Question 12

A: (12)(a) Given, f(x)=2x-6 such that f:ℝ→ℝThe function f(x) is a linear function. The f(x) is defined…

Q: Is there another solution?

A:

Q: 2. у %3Dх -3 = x - 3 y = 8x – 31 %3D

A: answer is x=4 and y=1   explanation is given in below step

Q: Question 12

A: We are given the following shapes. For (a), We need to find the volume of the box as a function of…

Q: Determine the value of

A: we have to determine the value of z to correspondingprobability value is 0.0400

Q: Use the behaviours, turning points, anz zeros to determine which graph represents the following…

A: Sol:- 3x3+5x2-x+3Domain of  3x3+5x2-x+3 :  Solution:  -∞ <x<∞ Interval Notation: -∞ , ∞ Range…

Q: Question 20

A: Given Data :  General form of the sequence an=2(an-1)+1, a1=4 To Find : The first four terms of the…

Q: Part 1,2,3

A: The point is, 6,-2 So, the point is in 4th quadrant.

Q: question

A:

Q: 3. Graphically Subtract (-1+i) from (3+2i)

A: If we have to subtract a vector b from another vector a, graphically, then we actually are adding…

Q: -13 -12 -11 -10 -9 -8 -4 -3 -2 - 10 %24

A:

Q: 5. y-5y+6y = coshx %3D

A:

Q: а. In(3x — 5) %3D 0

A: we have to solve for the exact value of 'x' (1) ln(3x-5)=03x-5=e03x-5=13x=6x=63x= 2