Suppose that the number of Facebook friends users have is normally distributed with a mean of 139 and a standard deviation of about 42. Assume forty-four individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible.

Q: Copy the problem and answer it on your answer sheets. Given that ao = 0, a = -2, a2 = -12 and an+3 =…

A: First note that there is a small typographical error in your question. The correct question should…

Q: Find A. A = (3A)-1 [ -3-2 4 2

A: Let us consider that                     A=abcdWe have                   (3A)-1=-3-242 ⟹…

Q: C A If CA = 5x + 5 and EA = 10x - 20, find CE. %3D O 60 O30 O 10 10

A: To find the CE

Q: ho thats only #8 i need help with all

A: You have asked multiple questions.  Here we are allowed to answer only one question or first three…

Q: Find B - A. - 7 B = 2 6 A = 2 6 6 - 4 B-A =

A:

Q: what about  c and d please

A: We will use graph and  concept of limit to find answer for C and for D combine all results of 1st…

Q: where is the answer for 4 to 7?

A: Since you have posted a multi subparts question according to guildlines the expert has solved only 3…

Q: (d) Identify the factor levels. (e) Identify the treatments. (f) Identify the experimental units and…

A: Given: 100 pizzas are randomly assigned to 5 different temperatures and baked for 15 minutes. 20…

Q: Find A. 2 3 (24)-1 -4 2 A =

A:

Q: Find, if possible, (a) AB and (b) BA.

A:

Q: This answers A-C. I need help with D-G

A: In the given scenario, a poll was conducted to determine the appropriate seats for the upcoming…

Q: Let ā = and b . Find 3ā + b. -

A: We will simply use vector addition rules to find the answer

Q: Find B so that AB = 1 = BA, where A = 3 4 5 7

A:

Q: Multiply and simplify: V15- V3 b. 7V4.5V V&r*y?. V&ry. а. c.

A: The product property of roots is stated as below. For any real numbers, an  and  bn, for any integer…

Q: why are B and C multiplied by x

A: The non homogeneous part contains the term sin 2x and e^x.

Q: If a b=2a- 3b+1, what is 3 (-1)? a. 4 b. 10 C. 8 d.-1 b

A: Compare 3*(-1) with a*b, a = 3, b = -1.

Q: Does the question want me to write out every single combination?

A: Does the question want me to write out every single combination?

Q: 2 3x+ АВ w B 10 O 20

A:

Q: -5y + 8 = -7 O a -3 O b -1/5 3 P. 1/5

A: Given;            -5y+8=-7 Solve: -5y+8=-7 Subtract 8 from both sides:             -5y+8-8=-7-8

Q: I was looking for help on #46, not #45

A:

Q: 16x? + 40xy + 25y² = (. 5y)?

A: Complete the following: 16x2+40xy+25y2=(____+5y)2

Q: Simplify. 5-2(2W-2) + w O-3w-9 O*3w+9 O 3w+9 O 3w-9

A:

Q: The answer "B" is not correct.

A:

Q: If A=39 and B=17 what does A+B= ?

A: Given, A=39 and B=17 Find A+B

Q: The table shows the movement of a stock for 30 randomly selected trading days. "Up" means the stock…

A:

Q: QR %3D S 36 + 2x 'R 8x - 6

A: Given: A polygon whose all sides are equal. So, QR=RS

Q: y = 3x + 272 24 ਮ

A:

Q: 1 -1 2 2 1 -1 A = 2 B = 1 3 2 4 C = 1 -1 4 -4 Find A - B, A+ B, and A + C.

A: Here, A and B are of the same order so A-B and A+B is possible but A+C is not possible because A and…

Q: Find the following expressions if a = (6r, 0, r), b = (6s, –s, 7s), and c = (2t, 10t, 5). a ·b = 1.…

A: We need to find dot product.