) Give a point estimate of the population mean running time for a 400-meter race. ) Calculate the sampling error at 95% confidence level. ) Construct a 95% confidence interval estimate of the population mean running time for a 400-meter race.

Q: (3) If "P =12 "P, , the n is equal to (а) 9 (b) 7 (c) 6 (d) 12 (е) 10 (f) None of these

A: From the given information:P4n=12 P2n⇒nn-1n-2n-3n-4!n-4!=12…

Q: 2. Determine in each case whether ACB. Explain each answer in one sentence. (a) A = {0, 2, 5} and B…

A: Answer  A) A is improper subset of B

Q: y a) (f + g)(2) = 10 9F 8 7 b) (f – g)(4) = 6. c) (2) (6) : %D 7 8. 9 10 d) f(g(8)) =

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A:

Q: calculate 1+3+5+...+(2n-1) for n = 1,2...,6.

A:

Q: Show that

A: Our Aim is to Prove that:-111abca2b2c2=a-bb-cc-a   -(i)

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A: Given that  D) 3!.2! E) (3.2)!

Q: 8s - 16 (s² + s)(s² + 1),

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A: To calculagte the 10th power of the given matrix in the required form

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Q: If P(A or B)=4/5, P(A)=2/3 and P(B)=3/5, then what is the value of P(A and B)? *

A:

Q: Test whether the number of years in college has a significant impact on income at a.05. What are the…

A: Test is that whether number of years in college has a significant impact on income. Given that…

Q: (9) VL1, L2 ((L1 UL2)* = (L2 UL1)*). True O False

A: Please check the next step for detailed solution

Q: Q2. P(A) = 0.42, P(B|A) = 0.66 and P(B|A’) = 0.25. Find the following – P(A’), P(B’|A), P(B’|A’),…

A: We have given information, P(A)=0.42 PB|A=0.66 P(B|A')=0.25

Q: 1. Which of the following expressions is equal to d? (i) i– i?+i3 – it +... (ii) 8 – +- +... (iii)…

A: The Expression in (i)  is in i and can not be reduced to d  Similarly the expression in (ii) is in δ…

Q: Provide an interpretation which is true and one that is false. (∃ x)(P(x,b))

A:

Q: [y sxy dy is equal to -y cony - J cony A (B у сoly - coty dy Scory dy C у coly + -y coty + J coty D…

A: Solution is given below..

Q: XP If x=Y Vi-y!.find d

A: x =y1-y2 dy/dx = ? now derivate with x dx/dx = (dy/dx)1-y2 - (2y2/21-y2)(dy/dx) 1 = (dy/dx)(1-y2 -…

Q: 37. Which diagram shows (AU B) UC? (A) (В) (C) (D) 38. Which diagram shows (AU C) N B (A), (В) (D) C

A: 37) Draw the diagram for A∪B and C as follows, Draw the diagram for A∪B∪C as follows, Therefore,…

Q: When m = = 1, 2 4 (1 : 3) (² : 1) (² : 5). . m (m + 2) · 5) = (m + 4) (m + 3) =

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Q: (А) 8 (В) 9 (С) 10 (D) 11 (E) 13

A: Here we are given that , the hypothesis test for a single population mean  , Ha : µ<10. Assume…

Q: Evaluate foxe*² dx . 2 0 a. b. OC. O d. 9 =/12 + C 2 2 (e⁹-e) + C (e⁹-1) + C (eº-x²) + C

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Q: What is the value of (0.1)3 (20)3 ?

A: We have to find the value of: (0.1)3 (20)3

Q: If a, = n(a, -1) and a, = 1, what is the value of (1) 5 (3) 120 (2) 20 (4) 720

A: Here we have,

Q: 40 7. -2/108mn' 13 8 9. 27m2

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Q: Identify the transacation of point P x + 3, y + 1). ddf2d92a ddf892d342a ddf892d342a dd1892d342a…

A:

Q: hat is the value of c if (1 + c) = 4 and c> 0? n=1 nswer: c =

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

Q: if ACB, P(A)=1/4, and P(B)=1/3, find P(A/B) and P(BA)

A: Given A⊂B  P(A)=1/4, P(B)=1/3

Q: (b) 6 + 7 + 8 + 9 + ... + k

A: (b) Given that 6+7+8+9+...+k The objective is to find the sum. The formula for sum of numbers are,…

Q: S, =E = 12 + 2² + 3² + . . + n² %3D

A:

Q: The mathematical expression () (read 6 choose 4) numerically results in (а) 1.5. (b) 10. (с) 15. (а)…

A: Given

Q: 5 [7 -3 B' 2 Given : 7 6 and 2 Find the following 1. (24)" 2. (АB) 3. (4")"

A: Since the student has posted many sub-parts of the question and does not mention any specific part,…

Q: xp áp (** + 1. y+1 x2+1,

A: Changing order calculate the integral:  ∫14∫12xy+1+xx2+1dydx=∫12∫14xy+1+xx2+1dxdy…

Q: 3.6...(3n) E=1(-1)" n=1 2n2.5...(3n-1)

A: