5.70 The ideal number of children. "What do you thinkis the ideal number of children for a family to have?" AGallup Poll asked this question of 1020 randomly chosenadults. Slightly less than half (48%) thought that a total oftwo children was ideal.20 Suppose that p = 0.48 is exactlytrue for the population of all adults. Gallup announceda margin of error of ±4 percentage points for this poll.What is the probability that the sample proportion p foran SRS of size n = 1020 falls between 0.44 and 0.52? Yousee that it is likely, but not certain, that polls like this giveresults that are correct within their margin of error. Wesay more about margins of error in Chapter 6.

Introduction: Denote p as the true population proportion of adults who thought that a total of two…

Answered: 5.70 The ideal number of children.…

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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When debating the state appropriation for Penn State, the following question is asked: "Are the majority of students at Penn State from Pennsylvania?" (A majority is anything higher than 0.5). The school claims that there is a majority of students from Pennsylvania. A random sample of 500 students is taken and it is found that 278 of them are from Pennsylvania. Find the test statistic and p-value for this test. Round to two decimal places.
In a random sample of 68 people,17 are classified as "successful." a. Determine the sample proportion, p, of "successful" people. b. If the population proportion is 0.70,determine the standard error of the proportion.
What percentage of hospitals provide at least some charity care? Based on a random sample of hospital reports from eastern states, the following information is obtained (units in percentage of hospitals providing at least some charity care):
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1 V. A randomly selected sample of 1000 college students was asked whether they had ever used the drug STC sixteen percent (16%) of the 1000 students survived said they had. which one of the following statements about the number (0.16) is correct: A. It is a sample proportion. B. it is a population proportion. C.it is a margin of error. D. it is a randomly chosen number
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About 4% of the population has a particular genetic mutation. 600 people are randomly selected. Find the mean for the number of people with the genetic mutation in such groups of 600. Submit Question acer
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A hospital has a main campus and three satellite locations. Management wants to reduce waiting time for ER cases. A random sample of 11 ER cases at each location was selected, and the waiting time was measured. Excel.) Complete parts (a) through (d) to determine if there is statistical evidence of a difference in the mean waiting times betweeen the four locations. a. State the two hypotheses. Choose the correct answer below. O B. Ho: H1 = H2 = ••• = H4 H;: 41 H2# • • • # µ4 O A. Ho: H1 =H2 = ••• = H4 H;: Not all H are equal (where j= 1,2,.4) OC. Họ: H1 = H2 = • •• = H1 H;: 41 # H2# • •• #H11 D. Ho: H1 = H2= • •• - H11 H;: Not all H; are equal (where j= 1,2,.,11) b. At the 0.05 level of significance, state the test statistic. (Round to two decimal places to the right of the decimal point as needed.) O A. FSTAT = 0.005 , from the first row of the ANOVA table O B. FSTAT = 4.91 , from the first row of the ANOVA table O C. FSTAT = 2.05 , from the first row of the ANOVA table O D. FSTAT =…
Hi, could someone please help with this? 1. Which is an important aspect of a randomized survey's design?A. The survey should always contain at least 5 questions.B. Each survey question should have at most 3 choices.C. The survey participants should be randomly selected.D. The survey should have questions for multiple populations.2. Identify the leading question.A. How much would you be willing to pay for a new living room furniture set?B. During what time of day are you most likely to watch TV?C. How interested would you be in purchasing a blue car?D. How much did you enjoy your great experience at our waterpark?3. Frederick is creating a plan to conduct a randomized survey. He will be asking guests at a baseball stadium to rate their experience. At which location should he take the survey to ensure randomization?A. the section of seats directly behind home plateB. the hot dog standC. the stadiums front gateD. the gift shop

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