Show that events
Explanation of Solution
Calculation:
The formula for probability of
In the formula,
Pairwise independence:
Let
Also, pairwise independence does not imply
The event
A die has 6 outcomes
The total possible outcomes are,
The favorable outcomes for event
The favorable outcomes for event
The favorable outcomes for event
The favorable outcome for event
The favorable outcome for event
The favorable outcome for event
Independence of events
Independence of events
Independence of events
It can be observed that, the events
The favorable outcome for
Independence of events
Hence, the pairwise independence does not imply
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Chapter 2 Solutions
Pearson eText for Probability & Statistics for Engineers and Scientists with R -- Instant Access (Pearson+)
- Q9. If A and B are two events, prove that P(ANB) ≥ 1 − P(Ā) – P(B). [Note: This is a simplified version of the Bonferroni inequality.]arrow_forwardQ6. Consider a situation where cars entering an intersection could turn right, turn left, or go straight. An experiment consists of observing two vehicles moving through the intersection. (a) How many sample points are there in the sample space? List them. (b) Assuming that all sample points are equally likely, what is the probability that at least one car turns left? (c) Again assuming equally likely sample points, what is the probability that at most one vehicle turns right?arrow_forward13. If X has the distribution function F(x) = 0 1 12 for x < -1 for -1x < 1 for 1x <3 2 3 for 3≤x≤5 4 1 for x≥5 find (a) P(X ≤3); (b) P(X = 3); (c) P(X < 3); (d) P(X≥1); (e) P(-0.4arrow_forwardPlease solve the following Statistics and Probability Problem (show all work) : The probability that a patient recovers from a rare blood disease is 0.4 and 10 people are known to havecontracted this disease. Let X denote the random variable which denotes the number of patient who survivefrom the disease.1. Plot the probability mass function (pmf) of X.2. Plot the cumulative distribution function (cdf) of X.3. What is the probability that at least 8 survive, i.e., P {X ≥ 8}?4. What is the probability that 3 to 8 survive, i.e., P {3 ≤ X ≤ 8}?arrow_forwardPlease solve the following Probability and Statistics problem (show all work and double check solution is correct): Suppose that a die is rolled twice. What are the possible values that the following random variables can take1. the maximum value to appear in the two rolls;2. the value of the first roll minus the value of the second roll?3. Calculate the probabilities associated with the above two random variables?arrow_forwardPlease solve the following statistics and probability problem (show all work) : This problem is to show that determining if two events are independent is not always obvious.1. Consider a family of 3 children. Consider the following two events. A is the event that the familyhas children of both sexes and B is the event that there is at most one girl. Are events A and Bindependent?2. What is the answer in a family with 4 children?arrow_forwardPlease solve the following Probability and Statistics problems: (show all work) Suppose that a die is rolled twice. What are the possible values that the following random variables can take1. the maximum value to appear in the two rolls;2. the value of the first roll minus the value of the second roll?3. Calculate the probabilities associated with the above two random variables?arrow_forwardPlease solve the following Statistics and Probability Problem (show all work) : The probability that a patient recovers from a rare blood disease is 0.4 and 10 people are known to havecontracted this disease. Let X denote the random variable which denotes the number of patient who survivefrom the disease.1. Plot the probability mass function (pmf) of X.2. Plot the cumulative distribution function (cdf) of X.3. What is the probability that at least 8 survive, i.e., P {X ≥ 8}?4. What is the probability that 3 to 8 survive, i.e., P {3 ≤ X ≤ 8}?arrow_forwardPlease solve the following Probability and Statistics problem (please double check solution and provide explanation): A binary communication channel carries data as one of two types of signals denoted by 0 and 1. Owing tonoise, a transmitted 0 is sometimes received as a 1 and a transmitted 1 is sometimes received as a 0. For agiven channel, assume a probability of 0.94 that a transmitted 0 is correctly received as a 0 and a probability0.91 that a transmitted 1 is received as a 1. Further assume a probability of 0.45 of transmitting a 0. If asignal is sent, determine 1. Probability that a 1 is received2. Probability that a 0 is received3. Probability that a 1 was transmitted given that a 1 was received4. Probability that a 0 was transmitted given that a 0 was received5. Probability of an errorarrow_forward3. A basket contains 2 orange, 3 white, 4 yellow, 5 pink, and 6 purple flowers. 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Please design a testing plan to minimize the worst-case number-of-tests required to find the answer, with the constraint you can only break max 2 marbles. What is the minimum number of tests required? Explain your testing plan and how you arrived at this number.arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
A First Course in Probability (10th Edition)ProbabilityISBN:9780134753119Author:Sheldon RossPublisher:PEARSON