An advert=isement cla=m that th=eir laptop co=mp=uter batteries are set at 72 operating hours,  with proper charging procedures. A study of 5000 ba=tteries of th=ese laptop com=puters is carried out  and 20 of them stop ope=ratin=g before 72 hours. Do these exp=erimen=tal results r=eject the c=laim that  no more than 0.3 perce=t of the com=pany’s batt=eries will fail du=ring the adv=ertised time= period,  with pr=oper char=ging proc=edure=s? hypo testing alpha 0.05 please write it onpaper

Q: The deferential of point functions are exact differentials. Select one: True False

A: True

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A: a)α=0.0051

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A: Image is attached with detailed solution.

Q: What is the indefininte intregal of Tan^-1(3x) / 1+9x^2 .

A: The given indefinite integral is

Q: What is the reason for doing u = e^lnu? How does that work?

A: We can solve this as follows:

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A: To determine whether the random variable X, representing the lifespan of a species of pig, possesses…

Q: Use Newton-Raphson's method to determine the root of e^x sinx = 1 up to 15% error estimate. Use…

A: ----------------------------------------------------------------------------- fx = exsinx-1f'x=…

Q: Show that H = ((1 2)) is not normal in S3. However, why is H' = ((12 3)) normal in S3?

A:

Q: rate of decay is -dy/dt. how c

A: Since, x is given as the amount of Uob at time t.

Q: One solution of a 2nd order homogenous LDE is e2*sinx. What is its general solution?

A:

Q: polyio muai passes ougi (4,69) and (5,132), can be computed from the following table; answer for…

A: The given question has been solved with explanation in step 2.

Q: 1. e Section 2.3 SS21 7W2 Question 9 of 13 weight (kg) 3. 2. t, age of fetus (weeks after last…

A:

Q: (sinh x + cosh х)*3 еx

A: Solution:-

Q: integrate e^(ax)*cos(bx) dx

A:

Q: The half-life of selenium-72 is 8.4 days. How long will it take for 20g to decay to 15g?

A: NOTE: Refresh your page if you can't see any equations. . here the half-life is given so use the…

Q: FIMD dY IF x= AMD Y= U 1tu3

A: Let's find.

Q: e 2mi = 1

A: We have to prove that e2(pi)i = 1

Q: What is the antiderivative of e^(x/5)?

A: Given:

Q: Apply Newton’s method twice to approximate 7^(1/3) . Use the initial approximation x0 = 2

A: We have to find the approximation of the expression 713 and we have to use the Newton Raphson method…

Q: Give a clear and detailed solution of the intergral of e^-ct/m 2)

A: You want intergral of e^-ct/m. I am assumig the variable of integration is "t". That is, the task in…

Q: Find the solution of the equation e^x + 2^-x + 2 cos x = 6 using Newton Raphson method with an error…

A: Newton-Raphson method uses the formula: xn+1=xn-g(xn)g'(xn) to perform the iterations and to…

Q: VPu × (1 – Pu) (0.50) ( ) d.f. 117 (116) (о.03) 322 ( ) ( ) ( ) denom. tobtained AUC (0.65) (O ( )…

A: The table provided in the question is The necessary calculations are given below.

Q: 4. If X has an exponential (A) PDF, what is the PDF of W = X² ?

A: Given, X~ exp(λ)       To find, what is the PDF of W=X2

Q: When a tap at the base of a storage tank is turned on, water flows out of the tank at the rate of…

A:

Q: In the diagram, FG = 34, GH = 288, and HJ = 256. Is GH tangent to OF? G

A: Use  Pythagoras theorem to solve this

Q: We run the following regression, log(Y) = B0 + B1X + B2T + u, and we found B^1 = -0.89. Suppose that…

A:

Q: Round each answer to the correct number of significant figures. 29.38 8.6667 3.39 9 + 2.8 - 0.135 +…

A: 29.383.39= 8.6667 →It has 5 significant figures=8.67 rounded off to 3 significant figures.9+2.8 -…