) 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: 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)) =

A:

Q: (d) 3! 2! and (3-2)!

A: Given that  D) 3!.2! E) (3.2)!

Q: 2(210) 2(510 210) 510 210 510 3 2 1 show that 1 4 2(510)210 10

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

Q: 3 0 0 -2 3 -3 M =|0 2 -2 3 2 -3 -2 det(M) =

A:

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

A:

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

A:

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: 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

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