Q4. Sample surveys conducted in a large country in a certain year and again 20 years later showed that originally the average height of 420 ten-year-old boys was 54 inches with a sam- ple standard deviation of 2.8 inches. On the other hand, 20 years later, the average height of 480 ten-year-old boys was 56 inches with a sample standard deviation of 2.4 inches. Test the hypothesis Ho : 1 - 12 = -0.5 against the alternative H : m-2< -0.5 at 0.05 level of significance where H and 2 are the true average heights of boys 20 years before and after, respectively. Suppose the populations are normally distributed. (i). Test the hypothesis by finding the Critical Region. (ii). Test the hypothesis by finding the P-value (note that you do not need to find the exact P-value from the table. But, you can still conduct the test).

Q: 2= c2  + c

A: 2=C2+C We need to solve the equation.

Q: Q 2) Find the valuc of : Logs - 2 Log, +4 Logs

A: Solve the log function Property of log Log (x) y = y log(x)  LogA+logB+logC= log(ABC)  Logx(x) = 1

Q: When two births are randomly selected, the sample space for genders is BB, BG, GB, and GG. Assume…

A: It is given that the sample space is {bb, bg, gb, gg}.

Q: justify lim O Find and the xy

A: It belongs to Multivariate Calculus (specifically several variable),so I can do it in advanced…

Q: 6. 5x + 6y + 7: = 62 7a + 8y + 11s = 84 -2 - 3y - z = - 29

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: IV4 +x dr

A:

Q: 2+5 √x =12

A:

Q: A popular resort hotel has 300 rooms and is usually fully booked About 6% of the time a reservation…

A:

Q: 2. Solve equation a) 3x2 + 9x - 6 = 0

A:

Q: Fill in the missing values to make the statement true. 2x2 – 3x4 %3D 2x 4.

A:

Q: 14. A Private bank want to know whether their mortgage rate is in line with the data history of…

A: Introduction: As the manager wishes to use a simple linear analysis to determine whether the…

Q: 8) 8x-2 4x +4 110

A:

Q: 2x,+x,-7 X; + Xz - 3x, = -10 6x, – 2x3 + X4 = 7 %3D 2x, – 3x, =13 =D13 |

A:

Q: Q2. Solve quadratic equations by Inspection. a) x2 + 5x = 24 b) x2 + 17x + 49 = 3x

A: Given: (a) x2+5x=24 (b) x2+17x+49=3x

Q: Jason runs around a lake two times. The first time takes 1 hour, 43 minutes, and 36 seconds. The…

A:

Q: Prove that the equation ax + b = c where a, b, c constants and a 0 has a unique solution.

A:

Q: 41.) Solve w + 12 = -6 - 2w. a. -6 b. 6 c. 18 d. -18

A: Given w + 12 = -6 - 2w We have to solve it

Q: Each part describes a rectangle. Please symbolize and solve for each rectangle’s dimensions. (a)…

A:

Q: 6. -30 4 2) -5 -10 40 寸

A:

Q: 11) Solve by Substitution a. b. -4x – 2y =-1 y=-2x – 4 x+3y=-17 -8x + 8y =-24

A:

Q: hildren went to the fair to ride the children’s Ferris wheel.  There was a toddler, a four-year-old,…

A:

Q: x² +x-6 1) x² – 2x–15 x – 7x+10 10- 2x

A:

Q: 6. Which expression is equivalent to 3x( bx + 10) – (x - 5x+c)? A) -x +(3b +35) x- c B) -3bx + 25x +…

A: To find: The equivalent expression to the expression 3xbx+10-x2-5x+c. Calculation: Expand the…

Q: 4.) Solve and check 15 -3x = 30

A:

Q: 8.) Solve for b 2 = -b + 7

A:

Q: 32r+3 = 34)

A: Given- 32x+3=3x2 To find- The value of the variable x.

Q: 6. Solve the equation for x. V3x+2-3/2x-2 C. 8 a. 15 15 d. 8 b. x- 3

A:

Q: Show a complete solution ry-sy13, ty

A: Given:Differential equation:

Q: dr IV - 9

A: According to our policy at Bartleby, I can solve only 1 question. Given an integral : I=∫6∞dxxx2-9…

Q: 6x a) 3x+3 x² +3x+2 5x x +3x+2 b) x +4x+3 x² +x-6 x² -4

A: a)6x23x+3÷5xx2+3x+2b)x2+3x+2x2+4x+3÷x2-4x2+x-6c)3x2-6xx2-7x+10×x-512x2

Q: Solve. Enter your answers as a comma-separated list. v-10/v2-5v+4  =  3/v-1   -    5/v-4

A:

Q: Solve. 4- 2x = 10 A) -7 B) -3 D) 3

A:

Q: (d) a₁ = 2, an+1 = 1 3- an

A:

Q: 12) Solve by Elimination a. 5x - 7y =-17 x+7y= 5

A: Since you have posted more than one question  we have solved the first question for you.  For…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.