Q3. The distribution for the working lifetime of light bulbs, manufactured in a company, is found to be normally distributed with a mean of 1450 hours and a standard deviation of 60 hours. a) In this distribution, find the life time of a lightbulb whose z-score is -1.8? b) Which percentage of lightbulbs have life time less than 1400 hours? c) Which percentage of lightbulbs have life time greater than 1500 hours? d) Which percentage of lightbulbs have life time between 1420 to 1500 hours?

Q: Please help with a detailed explaintion on how to answer this question

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A: Step 1: Step 2: Step 3:

Q: Use Variation of Parameters to solve

A:

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A: Step 1: Step 2: Step 3: Step 4:

Q: Q/Consider the set 8 e' = { x = (x\ 1 X 2 1 X3, ...) € (°: { \x;k< ∞ } Show that M & XII, Ixil = にし…

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Q: Q 2/ Calculate the Fourier series of f(x) on the given interval f(x) = x Sin X - 16 x ≤ メ

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Q: Q/ Find the region where ODES has no limit cycle: -X = X + X3 y=x+y+y'

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A: Hopefully,  it will be helpful for you.

Q: 1. Sketch a graph of: y = 2 sin (3x-377) +3. 2 Show your calculations for the transformation of 5…

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Q: Please help.

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Q: need help with 2b through 3c

A: Step 1:

Q: Do not use the Residue Theorem. Thank you.

A: Without the Residue Theorem, just using line integrals of logarithmic derivatives. We are asked to…

Q: Please help with a detailed explaintion on how to answer this question

A:

Q: (1) Let R be a field of real numbers and X=R³, X is a vector space over R, let M={(a,b,c)/ a,b,cE…

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A: Steps and explanations are as follows:In case of any doubt, please let me know. Thank you.

Q: Also, construct a know-show table to outline the proof of this proposition.

A: Step 1: Understanding the Proposition We are asked to verify the following claim: For all integers a…

Q: 2) Consider the matrix M = [1 2 3 4 5 0 2 3 4 5 00345 0 0 0 4 5 0 0 0 0 5 Determine whether the…

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Q: Please help.

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Q: A graph G of order 12 has vertex set V(G) = {c1, c2, …, c12} for the twelve configurations inFigure…

A: Step 1: Step 2:a)  What vertices are adjacent to c1​ in G? Solution. Adjacent vertices of C1​ are…

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A: (b) Basis for Vreg and Formula for DregBasis: Let G=g1,g2,...,gnwhere n=∣G∣. A natural basis for…

Q: matrix 1

A: Please feel free to comment if you have any questions.

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A: Step 1:To determine which of the given options are true, analyze the 3 x 3 table from the problem…

Q: Please help on both

A:

Q: (Nondiagonal Jordan form) Consider a linear system with a Jordan form that is non-diagonal. (a)…

A: Let's go step by step to solve both parts of the problem. (a) Prove Proposition 6.3 We need to show…

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A: Step 1:           Step 2:

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A: To solve for matrix X in the equation: AX=B where: A=⎣⎢⎡​653​534​322​⎦⎥⎤​…

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A: Step 1:    Step 2: Step 3: Step 4:

Q: If you are using chatgpt leave it plz Already got wrong chatgpt answer .

A: Explanation:

Q: 5. How many numbers can you make out of the digits 1, 2, 3, 4, 6 if the rule is that every digit has…

A: 1-digit numbers: 1, 2, 3, 4, 6 (total 5)2-digit numbers: 12, 13, 14, 16, 23, 24, 26, 34, 36, 46…

Q: read chapter 10 welding principles and applications, short-circuiting, transfer, GMAW – S. Explain…

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Q: microsoft excel iclude fomulas

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Q: MATLAB. Awnser written questions (*) in the comments. Null, Rank, and most functions outside of…

A: Run the MATLAB code and check R to finalize the results. If R has a row with all zeros in the first…

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A: See the actual solutions (generated using python)

Q: Pls help ASAP

A: If you have any questions let me know in the comment box immediately thankyou.

Q: Q1. Write the following Babylonian numeral (base 60) as a Hindu-Arabic numeral (base 10). Show your…

A: First, let me explain how Babylonian numerals work:The symbol &lt; represents 10The symbol V…

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Q: Please help on both

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Q: Consider y (t) — y" (t) − y' (t) + y(t) = 0 (a) Denote new variables x1(t) := y(t), x2(t) := y' (t),…

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Q: Q10. Perform the following divisions in base seven. Show your work. 0 a) 12) 456 b) 25 ) 1463 c) 31…

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Q: but use the series for cosx

A: 1. Understand the Relationship Between cosx and sinx:   The Maclaurin series for cosx is:…

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Q: 7. Walkabout.  Does this graph have an Euler circuit?  If so, find one.  If not, explain why not.

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Q: not use ai please

A: Let's denote the two unequal straight lines as AB and CD, where AB is greater than CD.