A population has a standard deviation of 25. A random sample of 125 items from this population is selected. The sample mean is determined to be 325. At 95% confidence, the margin of error is O a. 2.24. Ob. 5. Oc. 4.38. Od. 11.18.

Q: 2/5+4/8

A: We have to find the sum

Q: 4n – 1

A:

Q: 3. 3 de dy 40

A:

Q: -2- 4- 3 10

A:

Q: 7/2 + 3 4/6

A:

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

A:

Q: Express the graph in Figure Q3(a) in terms of a unit step function and then find the Laplace…

A: We have to find the Laplace transform of given graph in term of unit step function

Q: Let Mbe as in Equation (3.14) and let X = [1, 0, ½]¹. Show that the entries of Y=MX sum to 1.

A:

Q: -8 - 12

A: Given problem is

Q: 3/8+5/24

A: The given expression is 3/8 + 5/24.Simplify the given expression as follows.

Q: Match the possible graph for the function f with the specified properties: (i) the domain of ƒ is…

A: The function has properties,(i) the domain of f is -5,5(ii) f-5=f0=f5=5(iii)…

Q: -3 -10

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

Q: Identify the coordinates of the point in polar form based upon the given conditions. Use pi for T. r…

A: We will evaluate the required value.

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: 4 1/2 + 3 2/3=

A: Given,

Q: 11 35

A:

Q: 4 10

A: Given: The figure,

Q: y et 2x *Sec2X Pinel dy o

A: By using these differential formulas that are ddxex=ex, ddxax=axlnx where a is constant,…

Q: 11 –/7

A:

Q: Whats #10

A: 10)

Q: 1 3 8.

A:

Q: 2/5 +7/12

A: Please see the answer below.

Q: Graph. 0 = - 4

A:

Q: 3 3/4 + 2 7/28

A:

Q: nvert

A:

Q: -5 4 -2 -7 -8 2.

A:

Q: the series

A:

Q: k 24

A: First we solve the inequality. ANd for that , we divide both sides by -6 .And on dividing by…

Q: (s - 3)5

A:

Q: W+7/8=6

A: The given equation is W +(7/8) = 6.

Q: 5+3.2n-6-4.8n

A: