Define a pair of random variables X and Y as follows:X = 1, if the pound value drops against the US Dollar next week;X = 0, otherwise.andY = 1, if the Bank of England raises interest rates next week;Y = 0, otherwise.An economist estimates the following joint probabilities:X=0 X=1Y=00.25 0.36Y=10.11 0.28Answer the following questions, rounding your answers to two decimal places where appropriate.(a) Find the conditional probability of Y=0 given X=1:(b) Find the expected value of X:

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Answered: Define a pair of random variables X and…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Given two events G and H, the probabilities of each occurring are as follows: P(G) = 0.35; P(H) = 0.19; P(H AND G) = 0.1. Using this information: Find the complement of P (H AND G). Type answer with 0 in front of decimal to 2 places. If answer is like .2, type 0.2 not .2 or 0.20.
Given two events G and H, the probabilities of each occurring are as follows: P(G) = 0.25; P(H) = 0.3; P(H AND G) =0.1. Using this information: Find P(H OR G). Type answer with 0 in front of decimal to 2 places. If answer is like .2, type 0.2 not .2 or 0.20.
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Answer the Following Question On average cleo catches a fish on 40% of the times that he casts his fishing line. If he casts his line 12 times in the first half hour, what is the probability that he will catch exactly 9 fish?
Use the following probabilities to answer the question. Round to 4 decimal places.P(A)=0.54P(A)=0.54 , P(B)=0.41P(B)=0.41 , P(AandB)=0.05P(AandB)=0.05 .P(B∣A)=
Calculate the following probabilities. Express probabilities as unsimplified fractions and percents. c) Probability of a 2 and a Heart? Fraction = ______________ Percent = ___________ d) Probability of a Red card or a King? Fraction = _______________ Percent = ___________
WFC Average St. Dev. Min 0.65% 10.26% -28.99% Мах 27.51% 25. Based on the table above, what is the probability of losing -7% or more for WFC? A. 0.07 B. 0.14 C. 0,23 D. 0.29 %3D E. 0.31 26. If you have $200,000 invested in WFC, what is the dollar value of VaR of losing -7% or more? A. $14,000 B. $28,000 C. $46,000 D. $58,000 E. $62,000 27. Based on the table above, there is 30% chance that your losses for WFC will be greater than A. -0,30% B. 2.15% C. 4.73% D. 7% E. -14% 28. Based on the table above, there is 30% chance that your dollar losses for WFC will be greater than if you have $200,000 invested in ti? A. -S600 B. $4,300 C. -$9,460 D. -$14,000 E. S28,000
Complete the following table and use it calculate the probabilities given below. DACITY A < AC a. P (A or B) = b. P (A or B) = Total B 0.434 0.556 BC 0.247 SUBMIT QUESTION Total I SAVE PROGRESS SU
In looking over customer data for your local ice cream shop, you estimate the following probabilities about what customers order: P(vanilla) = 0.4 P(sundae) = 0.4 P(vanilla and sundae) = 0.1 What is the probability that a customer order vanilla ice cream given they ordered a sundae? Estimate your answer to the first decimal place.
A lottery cost $5 to play. Each ticket has a 12% chance of winning $40. What is expected value of a ticket?
I need to know how to calculate using a TI-84 Plus calculator
According to a recent Gallup Poll, 75% of Americans report that they are better off financially today than they were a year ago. Let p be the proportion of people in a random sample of 230 Americans that say that they are better off financially today than they were a year ago. Determine the following probabilities. Round solutions to four decimal places, if necessary . Find the probability that in a random sample of 230 Americans, less than 81% say they are better off financially today than they were a year ago. P( hat p <0.81)=; = Box Find the probability that in a random sample of 230 Americans, between 71% and 75% say they are better off financially today than they were a year ago . P(0.71< hat p <0.75)=

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