Macmillan LearningIn a poll of 400 parents, 20% had a high income. Fifty high-income parents oppose school vouchers. Vouchers are supported by200 low-income parents. Hint: Create a contingency table using the data provided.(Enter your answer as a fraction or a decimal rounded to two decimal places.)What is P (oppose vouchers | high income)? (That is, what is the probability that a parent opposes vouchers, given that theparent has a high income?)= 0.625P (oppose vouchers | high income) =Correct AnswerWhat is P (high income | oppose vouchers)? (That is, what is the probability that a parent has a high income, given that theparent opposes vouchers?)P(high income oppose vouchers) =Incorrect Answer0.38What is the probability that a parent has high income or opposes vouchers?P (high income or oppose vouchers) =240400Incorrect Answer

Step 1:Let's break down the information and organize it into a contingency table. Total number of…

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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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For healthy young women average level of calcium in blood is 9.5 mg per deciliter with the typical standard deviation of 0.4 mg/dl. In a rurah hospital in Guatemala for 160 healthy women on early stages of pregnancy blood calcium level was measured; the average was 9.57 mg/dl. Does the average level differ from 9.5? Calculate the p-value, round it up to 4 decimal places.
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An IQ test contains (20) multiple choice questions. You have to answer all of these questions knowing that the pass grade for this test is to answer (10) or more questions correctly. Assume that you will answer the questions randomly and the probability for answering each question correctly is (0.6).A. What is the probability that you will pass the test?B. What is the probability that you will answer all questions correctly?C. What is the probability that you will answer all questions wrongly?D. What is the probability that you will answer at most three questions wrongly?E. What is the probability that you will answer at least three questions correctly?F. What is the probability that you will answer the first three questions correctly?G. What is the probability that you will answer only the first three questions correctly?

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