Each member of a random sample of 15 business economists was asked to predict the rate of inflation for the coming year. Assume that the predictions for the whole population of business economists follow a normal distribution with standard deviation 1.9%. a. The probability is 0.001 that the sample standard deviation is bigger than what number? b. The probability is 0.05 that the sample standard deviation is less than what number? c. Find any pair of numbers such that the probability that the sample standard deviation that lies between these numbers is 0.95.

Q: rest

A:

Q: Selve du 4824 8.

A: Given heat equation, ∂u∂t=4∂2u ∂x2u(0,t)=0u(8,t)=0u(x,0)=4x-12x2=f(x,y)  Here length l=8 and c2=4

Q: ndidke fex)= 4x²-8 pifferes %3D

A: Derivatives of function

Q: e formu

A: Here we have to determine the Revenue  formula.

Q: iGO 2. -/3 2/3 1/2

A:

Q: What is the illustration oF

A: Angle in the clockwise direction measured from positive X-axis is taken negative and anti clockwise…

Q: im 2. 3. 2.

A:

Q: stanx de

A: Given: ∫e5tanxcos2xdx

Q: ydx not exact

A:

Q: csé seé dr CSC. sec

A:

Q: Preliminary work Evaluate Vx? + 6x dr.

A:

Q: MAT

A: Graphical representation:

Q: Area = %3D 10 cm

A:

Q: profit nal Mar

A: Given,          A product has cost function Cx=x2-2x and revenue function Rx=10x ,           where x…

Q: de de

A:

Q: Calculus

A: The solution is given below in the next steps:

Q: 51. 2 In 2 -

A: From the data:

Q: VAT

A: Given that VAT we know that  VAT =  VALUE ADDED TAX   It is the value added to goods and services .

Q: How do I differentiate?

A: Given that

Q: Solve ustng characterlstics %3D

A:

Q: ne value of

A:

Q: tan x+ cot x csc(2x) = %3D

A:

Q: VE tankrE) de 7.

A: =?

Q: Solve them

A: (a)

Q: Graphical re

A: Any point on the Cartesian coordinate system can be represented as: x, y. The vector: x, y is…

Q: Area and

A:

Q: haudo youSimplify 460°

A:

Q: The center of an ellipse is (1,6). One focus of the ellipse is (-1,6). One vertex of the ellipse is…

A:

Q: (6,8),(7,7),(9,8),(12,11) find the value of r and round to four decimal places.

A:

Q: [e(e²³-3)¹⁰0 3) 10 dt

A:

Q: What’s the value of micro

A: