Many fire stations handle emergency calls for medical assistance as well as calls requesting firefighting equipment. A particular station says that the probability that an incoming call is for medical assistance is 0.66. This can be expressed as P(call is for medical assistance) = 0.66. (a) Assuming that successive calls are independent of one another, calculate the probability that two successive calls will both be for medical assistance. (b) Still assuming independence, calculate the probability that for two successive calls, the first is for medical assistance and the second is not for medical assistance. (c) Still assuming independence, calculate the probability that exactly one of the next two calls will be for medical assistance. (Hint: There are two different possibilities. The one call for medical assistance might be the first call, or it might be the second call.) (d) Do you think that it is reasonable to assume that the requests made in successive calls are independent? Explain. and pick an answer Yes, calls for medical assistance are more likely to come all throughout the day, thus they are independent. No, calls for medical assistance are more likely to come at certain times of day, thus they are independent. Yes, calls for medical assistance are more likely to come all throughout the day, thus they are not independent. No, calls for medical assistance are more likely to come at certain times of day, thus they are not independent.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Many fire stations handle emergency calls for medical assistance as well as calls requesting firefighting equipment. A particular station says that the probability that an incoming call is for medical assistance is 0.66. This can be expressed as

P(call is for medical assistance) = 0.66.

(a)

Assuming that successive calls are independent of one another, calculate the probability that two successive calls will both be for medical assistance.

(b)

Still assuming independence, calculate the probability that for two successive calls, the first is for medical assistance and the second is not for medical assistance.

(c)

Still assuming independence, calculate the probability that exactly one of the next two calls will be for medical assistance. (Hint: There are two different possibilities. The one call for medical assistance might be the first call, or it might be the second call.)

(d)

Do you think that it is reasonable to assume that the requests made in successive calls are independent? Explain.

and pick an answer

Yes, calls for medical assistance are more likely to come all throughout the day, thus they are independent.

No, calls for medical assistance are more likely to come at certain times of day, thus they are independent.

Yes, calls for medical assistance are more likely to come all throughout the day, thus they are not independent.

No, calls for medical assistance are more likely to come at certain times of day, thus they are not independent.

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