2. ABC Store operates with four check-out counters. The manager uses the following schedule to determine the number of counters in operation, depending on the number of customers in store: No. of customers in store 1 to 3 No. of counters in operation 1 4 to 6 2 7 to 8 3 More than 8 4 Suppose that the interarrival time at the checkout area is exponential with mean 5 minutes and that the checkout time per customer is also exponential with mean 10 minutes. Determine the following: (a) The steady-state probabilities, 7, for all j. (b) The probability that a fourth counter will be needed. (c) The average number of idle counters

Q: S ds J V3s? + 1

A: To evaluate the given integral

Q: Y16x? 14x²-2x² -2

A:

Q: S 2x - 5y 4 6x - 4y 3.

A:

Q: 3a - 7b - 5a + b

A: To seperate the terms of a and b, we get3a - 5a - 7b + b

Q: 7x - 2y = 19  3x + 5y = 14

A:

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A:

Q: x² ,2 xp V16-x2

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A: Given expression :

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A:

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A: We need to find : ∫1n+1n dn

Q: 4x - 5y = 3  3x - 4y = 6

A: Given that       4x - 5y = 3 -------------(1)        3x - 4y = 6 -------------(2)

Q: 14 +2

A: Adding Fractions Step 1: Make sure the bottom numbers (the denominators) are the same. Step 2: Add…

Q: 7x + 8y = 67  3x + 6y = 39

A: Solving system of equations means finding the value of the variable involved into the equation.

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A:

Q: Test the claim that the mean GPA of night students is significantly different than 2.8 at the 0.01…

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Q: find domain

A: If you have any questions let me know in comment box thankyou for your question.

Q: 2x-14

A:

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A: From the given problem:   5x-3y=18 ....13x+3y=30.....(2)   Now adding the equation (1) & (2).…

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A: Formula for sample size is,

Q: 4x + 2y=8 6x - 4y=5

A: Given4x+2y=8 and    --- Eq 16x-4y=5           --- Eq 2We solve for x and yFrom Eq 1:2y=8-4x…

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A:

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A: Given:  9x4y4 × x2y2

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A: We can use normal algebra to solve this problem.

Q: V3 + V75 = V3 + V25 -3 = v3 + V3 =

A: Given expression to simplify: 3+75

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A: Modulus function always gives positive quantity in result.

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A: Given,  x+4y=6 3y=12

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A:

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A: From the given figure note that, x+3x-50+90=180. Obtain the value of x.…

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A: Given that,       7x428x7 = 14x3     (By exponent rule    xmxn=xm-n)

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A:

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A: Given: -8x3y-623 We know that amn=am×n                                                        ..1

Q: 3+2x2x

A:

Q: a + 4e + 5d+ 3a

A: We will simplify the given expression.     8a+4e+5d+3a=11a+4e+5d