just need ans for the wrong one. A service station has both self-service and full-service islands. On each island, there is a single regular unleaded pump with two hoses. Let X denote the number of hoses being used on the self-service island at a particular time, and let Ydenote the number of hoses on the full-service island in use at that time. The joint pmf of X and Y appears in the accompanying tabulation.p(x, y)X(a) What is P(X = 1 and Y = 1)?P(X= 1 and Y = 1) = 0.20(b) Compute P(X ≤ 1 andy100.10 0.03 0.021 0.06 0.20 0.082 0.06 0.14 0.31XP(X ≤ 1 and Y ≤ 1) = 0.390(c) Give a word description of the event {X # 0 and Y # 0}.O One hose is in use on both islands.O At least one hose is in use at both islands.O At most one hose is in use at both islands.O One hose is in use on one island.PX(X) 0.15yCompute the probability of this event.0.73P(X 0 and Y = 0)(d) Compute the marginal pmf of X.Y ≤ 1).Py(y) 0.220Compute the marginal pmf of Y.00.3420.37Using Px(x), what is P(X ≤ 1)?P(X ≤ 1) = 0.5X110.510.4122

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A service station has both self-service and full-service islands. On each island, there is a single regular unleaded pump with two hoses. Let X denote the number of hoses being used on the self-service island at a particular time, and let y denote the number of hoses on the full-service island in use at that time. The joint pmf of X and Y appears in the accompanying tabulation. p(x, y) у 0 1 0 0.10 0.03 0.02 1 0.06 0.20 0.08 2 0.06 0.14 0.31 (a) What is P(X= 1 and Y= 1)? P(X= 1 and Y = 1) = 0.20 (b) Compute P(X ≤ 1 and Y s 1). P(X ≤ 1 and Y≤ 1) = 0.39 (c) Give a word description of the event (X = 0 and Y 0). O One hose is in use on both islands. At least one hose is in use at both islands. O At most one hose is in use at both islands. O One hose is in use on one island. Compute the probability of this event. P(X 0 and Y 0) 0.73 (d) Compute the marginal pmf of X. 0 Px(x) 0.15 Compute the marginal pmf of Y. 0.34 0 2 Py(y) 0.22 Using px(x), what is P(X ≤ 1)? P(X ≤ 1) = 0.5 X ✓ 0.37 1 0.51 0.41 2 2

A service station has both self-service and full-service islands. On each island, there is a single regular unleaded pump with two hoses. Let X denote the number of hoses being used on the self-service island at a particular time, and let y denote the number of hoses on the full-service island in use at that time. The joint pmf of X and Y appears in the accompanying tabulation. p(x, y) у 0 1 0 0.10 0.03 0.02 1 0.06 0.20 0.08 2 0.06 0.14 0.31 (a) What is P(X= 1 and Y= 1)? P(X= 1 and Y = 1) = 0.20 (b) Compute P(X ≤ 1 and Y s 1). P(X ≤ 1 and Y≤ 1) = 0.39 (c) Give a word description of the event (X = 0 and Y 0). O One hose is in use on both islands. At least one hose is in use at both islands. O At most one hose is in use at both islands. O One hose is in use on one island. Compute the probability of this event. P(X 0 and Y 0) 0.73 (d) Compute the marginal pmf of X. 0 Px(x) 0.15 Compute the marginal pmf of Y. 0.34 0 2 Py(y) 0.22 Using px(x), what is P(X ≤ 1)? P(X ≤ 1) = 0.5 X ✓ 0.37 1 0.51 0.41 2 2

Elementary Geometry for College Students

6th Edition

ISBN:9781285195698

Author:Daniel C. Alexander, Geralyn M. Koeberlein

Publisher:Daniel C. Alexander, Geralyn M. Koeberlein

Chapter6: Circles

Section6.CT: Test

Problem 11CT: aIf HP=4, PJ=5, and PM=2, find LP. _ bIf HP=x+1, PJ=x1, LP=8, and PM=3, find x. _

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aIf HP=4, PJ=5, and PM=2, find LP. _ bIf HP=x+1, PJ=x1, LP=8, and PM=3, find x. _
A service station has both self-service and full-service islands. On each island, there is a single regular unleaded pump with two hoses. Let X denote the number of hoses being used on the self-service island at a particular time, and let Y denote the number of hoses on the full-service island in use at that time. The joint pmf of X and Y appears in the accompanying tabulation. y p(x, y) 0 1 2 x 0 0.10 0.03 0.02 1 0.07 0.20 0.08 2 0.05 0.14 0.31 (a) Given that X = 1, determine the conditional pmf of Y—i.e., pY|X(0|1), pY|X(1|1), pY|X(2|1). (Round your answers to four decimal places.) y 0 1 2 pY|X(y|1) (b) Given that two hoses are in use at the self-service island, what is the conditional pmf of the number of hoses in use on the full-service island? (Round your answers to four decimal places.) y 0 1 2 pY|X(y|2) (d) Given that two hoses are in use at the…
A service station has both self-service and full-service islands. On each island, there is a single regular unleaded pump with two hoses. Let X denote the number of hoses being used on the self-service island at a particular time, and let Y denote the number of hoses on the full-service island in use at that time. The joint pmf of X and Y appears in the accompanying tabulation. y p(x, y) 0 1 2 x 0 0.10 0.05 0.01 1 0.07 0.20 0.08 2 0.05 0.14 0.30 (d) Compute the marginal pmf of X. x 0 1 2 pX(x) Compute the marginal pmf of Y. y 0 1 2 pY(y) Using pX(x), what is P(X ≤ 1)? P(X ≤ 1) =
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