Class XII Ibutions of sample means Samples are drawn from a population with mean 21 and standard deviation 7. Each sample has 8 randomly and independently chosen elements. Find the mean, ug, of the distribution of sample means. Submit

Q: 4. x² 2x 5. (125x²y¹) 6. (16a 1/4

A: (4)  K=x22x-5ax×ay=ax+y

Q: 2/18 – 12/32 + 3V50

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

Q: 1/3+2/9

A: Given 1/3 + 2/9

Q: b. N(0)

A: Given,  r→t=sint, t, cost                   ...1

Q: Prove that X Pn dx %3D

A: Recurrence relation.  Partial fraction.

Q: 10 8/10 + 9 7/12=

A:

Q: What is the percentage of the total variation in infant mortality that has been explained by this…

A: It is given that Response variable : infant mortality rate Number of predictors : 3 namely x1, x2…

Q: 5/14+1/6

A: 514+16=15+742

Q: 22n+1 3n+1 2.

A:

Q: expand (a-b)7

A: The solution is given in the next step.

Q: 2 2/3 X 5/8

A: Given that  22/3*5/8

Q: 1 7. 27 2.

A:

Q: 2

A: The Laplace inverse can be found by splitting the expression into three parts as it have power of 3…

Q: 10 X 12 X-3 +4=0

A: Here we have to find the value of x.

Q: Factor the binomial. 147z° – 108n 8. 10

A: Here we factor the binomial147z8-108n10

Q: 20/5+5+2*8

A: Consider the given expression

Q: 4/2-6/8

A:

Q: ne binomial:

A:

Q: -3 -10

A: The given equation is:  -3   2÷-10    7

Q: V415

A: Given query is to find the square root of 415.

Q: 5 1/6 - 2 1/3

A: Given that 5 1/6 - 2 1/3

Q: 1) (8s° - 9s) - (3s° + 4)

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

Q: Multiply. 5/ x-4 5. 7 6 X+1

A:

Q: 4/10 divided 1/2

A: Answer

Q: 5 1/2-9 3/8

A: Simplify by first using the form to convert it into the form of fraction and then take the LCM and…

Q: (i) Use a calculator with sample mean and standard deviation keys to find. and s. (Round your…

A: Since you have posted a question with multiple subparts, we will solve the first three complete…

Q: 6 3/20 - 6 3/8

A:

Q: 2.8x0.7

A: Multiplication: Multiplication is represented by the sign Cross("×"), Asterisk ("*") or Dot (".").…

Q: W 4. What is the value of the 4th term of the expansion (a + b)"? O a5 O 5a*b O 10a²63 10a b?

A:

Q: 12.2: Using Diagrams to Represent Division 2. Use long division to find 77.4 +5.

A: Given, 77.45  Using long division and diagram to represent , we have to find 77.45

Q: (25 dx +3x

A:

Q: 5. Find the coefficient of a¹¹b4 in the expansion of (a + b)¹5.

A:

Q: 29 Using the combination formula expand (5+x)

A:

Q: 5 2/5+ n= 75/6

A: Given query is to find the value of n.

Q: (5/6)3

A: Cube means multiplying three times:   563=56×56×56=5×5×56×6×6=5363=125216

Q: nvert

A:

Q: D. How many are enlisted or have a civilian marriage? E. How many are neither enlisted nor have a…

A: AS per our guidelines we are suppose to answer three sub parts.

Q: 21.4x22.6

A: