File Preview Example: Suppose the time X is takes a customer representative to help a cus- tomer at a phone hot-line has an exponential distribution with mean 2.5 minutes. (a) What is the probability that it takes the customer representative more than three minutes to help the next customer? (b) What is the probability that it takes the customer representative less than three minutes to help each of the next five customers?

Q: Evaluate if x=4,8,3,-2 ∑x ∑x+1 ∑(x+1) 3∑x - 4

A: Given that  if x=4,8,3,-2

Q: COSO 十1 ex

A: Known fact: ddx∫pxqxft dt =fqx q'x-fpx p'x.

Q: Decide whether the following statement is true or false.

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Q: a) Find the point on the graph of y = e where the tangent line has slope -4. b) Plot the graph of y…

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Q: Let a = (-4, 5, -2) and 6=(-1,0, 4). Find à x b.

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Q: Simplify. Express using exponents. Zw 5w O a 7w 10w 10w

A: Simplifying the above expression.

Q: Simplify. State any non-permissible values. x² + 3x +2 3x+6 x-1 x-1 ÷

A: The given expression is x2+3x+2x-1÷3x+6x-1. To Find: simplification to the given expression and find…

Q: Determine the and minor. length of the major axIS

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Q: Let ū = (6, 0, – 5) and v = ( – 5, - 3, – 7). 4й + З

A: given: u→=6,0,-5 and v→=-5,-3,-7 we have to find 4u→+3v→

Q: a represent the number of adults. express the number of children, c, in terms of the number of…

A: Given that a represent the number of adults and there were 1792 visitors to the arts center spring…

Q: We expect a car's highway gas mileage to be related to its city gas mileage. Data for all 1198…

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Q: Simplify. Assume that all variables represent positive real numbers. 4 5 -6/20

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Q: Let å = (– 1, – 2, 1) and b = (4, 2, 1). Find å x b. V

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Q: Solve. List all answers separated by commas. V2x + 15 = x

A: The given equation is 2x+15=x   Squaring both the sides, we get, 2x+152=x22x+15=x2 Now simplifying…

Q: state b? + 3b+ 2¸ 5b +5 1. 4-b? 10b x' +13x +40 x² +10x+16 2x² – x – 15 x+8 2. 2.x +9x+10 x² -9

A: See the attachment

Q: this os not right

A:

Q: Let ã = and 6 = =. Find 2a + 3b. - V Λ

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Q: then A-1 A = -6 0 0 0 0 8 0 0 0 0 0 -5 0 0 0 -7

A: Consider the matrix

Q: Let à = (0, –4, 4) and 7 = (3,4, −2). Find a × b. V Add Work Check Answer A

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Q: Find u. v. [1.14, -3.26, 2.09, -1.87] = [-2.29, 1.72, 4.33, -1.54] = V =

A: Given u=[1.14, -3.26, 2.09, -1.87] =[u1 u2 u3 u4] say   v=[-2.29, 1.72 ,4.33, -1.54]=[v1 v2 v3 v4]…

Q: Show that 1 -2 = R³. span 3 1

A: In R^3 if three vectors are linearly independent then they span the whole space R^3.

Q: Let me ask which step goes in which box?

A: We have to explain the steps.

Q: Show all work needed asap

A: 1IIIII IIIII IIIII IIIIIIIIII1IIIIII IIIII IIIII 1IIIIIXXIIIIIXXIIIII IIIIIIIIII1IIIIIXXIIIII IIIII…

Q: Let à = i +43 and b - 37 - 7j. Find a . b

A: