You are conducting a study to see if the proportion of voters who prefer the Democratic candidate is significantly smaller than 68% at a level of significance of \( \alpha = 0.01 \). According to your sample, 31 out of 53 potential voters prefer the Democratic candidate.a. For this study, we should use \( \text{Select an answer} \)b. The null and alternative hypotheses would be: \( H_0: \; ? \; \text{Select an answer} \) (please enter a decimal) \( H_1: \; ? \; \text{Select an answer} \) (Please enter a decimal)c. The test statistic \( ? \; = \; \) (please show your answer to 3 decimal places.)d. The p-value = \( \) (Please show your answer to 4 decimal places.)e. The p-value is \( ? \; \alpha \)f. Based on this, we should \( \text{Select an answer} \) the null hypothesis.g. Thus, the final conclusion is that…- \( \bigcirc \) The data suggest the population proportion is not significantly smaller than 68% at \( \alpha = 0.01 \), so there is sufficient evidence to conclude that the proportion of voters who prefer the Democratic candidate is equal to 68%.- \( \bigcirc \) The data suggest that the population proportion is not significantly smaller than 68% at \( \alpha = 0.01 \), so there is not sufficient evidence to conclude that the proportion of voters who prefer the Democratic candidate is smaller than 68%. - \( \bigcirc \) The data suggest the population proportion is significantly smaller than 68% at \( \alpha = 0.01 \), so there is sufficient evidence to conclude that the proportion of voters who prefer the Democratic candidate is smaller than 68%.h. Interpret the p-value in the context of the study.- \( \bigcirc \) If the sample proportion of voters who prefer the Democratic candidate is 59% and if another 53 voters are surveyed then there would be a 6.89% chance of concluding that fewer than 68% of all voters surveyed prefer the Democratic candidate.- \( \bigcirc \) There is a 6.89% chance that fewer than 68% of all voters prefer the Democratic candidate.- \(

Given : n=53 , X=31 , p0=0.68 , α=0.01 The estimate of the sample proportion is ,…

a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? Select an answer ♥ |(please enter a decimal) H1: ? v Select an answer (Please enter a decimal) c. The test statistic ? v |(please show your answer to 3 decimal places.)

a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? Select an answer ♥ |(please enter a decimal) H1: ? v Select an answer (Please enter a decimal) c. The test statistic ? v |(please show your answer to 3 decimal places.)

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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A news article that you read stated that 59% of voters prefer the Democratic candidate. You think that the actual percent is different. 120 of the 236 voters that you surveyed said that they prefer the Democratic candidate. What can be concluded at the 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ?Select an answerv (please enter a decimal) H.:?Select an answerv (Please enter a decimal) c. The test statistic ?V = (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ?va f. Based on this, we should Select an answerv the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the population proportion is not significantly different 59% at a = 0.05, so there is not sufficient evidence to conclude that the proportion of voters who prefer the Democratic candidate is different 59%. O The data suggest the…
A news article that you read stated that 54% of voters prefer the Democratic candidate. You think that the actual percent is smaller. 102 of the 221 voters that you surveyed said that they prefer the Democratic candidate. What can be concluded at the 0.10 level of significance?For this study, we should use The null and alternative hypotheses would be: Ho: (please enter a decimal) H1: (Please enter a decimal)The test statistic = (please show your answer to 3 decimal places.)The p-value = (Please show your answer to 4 decimal places.)The p-value is ααBased on this, we should the null hypothesis.Thus, the final conclusion is that ... The data suggest the population proportion is not significantly smaller 54% at αα= 0.10, so there is not sufficient evidence to conclude that the proportion of voters who prefer the Democratic candidate is smaller 54%.The data suggest the populaton proportion is significantly smaller 54% at αα= 0.10, so there is sufficient evidence to conclude that the…
New Orleans' Coca Cola bottling center wants to determine whether the mean amount of product in a 12 oz can of Coke is actually 12 ounces. Thus, the null and alternative hypotheses are Ho: mu is equal to 12 ounces Ha: mu is not equal to 12 ouncesYou want to be extra sure that you aren't underfilling (which would open you up to a lawsuit). Being risk averse, you set out to conduct a hypothesis test at a stringent 99% level. Fill rates are distributed Normally. You take a sample of 50 different Coke cans and carefully measure the amount of product. From this sample, you calculate an avg fill of 12.3 ounces, with a standard deviation of 0.75 ounces. What do you conclude about the average amount of Coke product in the cans? Group of answer choices a. There is sufficient evidence to conclude that you are not filling to 12 ounces on average. b. There is NOT sufficient evidence to conclude that you are under- or over-filling on average.
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Answer the following to summarize the test of the hypothesis that each of A, B, C, and D is equally likely to be the correct answer on tests in these introductory college courses. Use the 0.05 level of significance for the test. (a) Determine the type of test statistic to use. Type of test statistic: ▼(Choose one) (b) Find the value of the test statistic. (Round your answer to two or more decimal places.) (c) Find the critical value. (Round your answer to two or more decimal places.) (d)Can we reject the hypothesis that A, B, C, and D are equally likely to be the correct answer on tests in these introductory college courses? Yes No
New Orleans' Coca Cola bottling center wants to determine whether the mean amount of product in a 12 oz can of Coke is actually 12 ounces. Thus, the null and alternative hypotheses are Ho: mu is equal to 12 ounces Ha: mu is not equal to 12 ouncesYou want to be extra sure that you aren't underfilling (which would open you up to a lawsuit). Being risk averse, you set out to conduct a hypothesis test at a stringent 99% level. Fill rates are distributed Normally. You take a sample of 50 different Coke cans and carefully measure the amount of product. From this sample, you calculate an avg fill of 12.3 ounces, with a standard deviation of 0.75 ounces. Do you reject or not-reject the null hypothesis? Group of answer choices Do not reject the null hypothesis. Reject the null hypothesis.
Suppose are running a study/poll about the accuracy rate for fingerprint identification. You randomly sample 74 people and find that 41 of them match the condition you are testing. Suppose you are have the following null and alternative hypotheses for a test you are running: Ho:p = 0.53 Ha:p + 0.53 Calculate the test statistic, rounded to 3 decimal places = Z
Suppose are running a study/poll about the accuracy rate for fingerprint identification. You randomly sample 127 people and find that 89 of them match the condition you are testing. Suppose you are have the following null and alternative hypotheses for a test you are running: Ho: p = 0.72 H₁: p 0.72 Calculate the test statistic, rounded to 3 decimal places Question Help: Video Message instructor Post to forum Submit Question
The one-sample ?‑statistic for a test of ?0:?=0 versus ?1:?≠0 based on ?=15 observations has the value ?=−2.138, where ?0 and ?1 are the null and alternative hypotheses, respectively. The sample size is denoted by ?. Use this ?‑table to determine which two ?-values bracket the ?-value of the test. Report your answer as listed in the given ?‑table.
A news article that you read stated that. 51% of voters prefer the Democratic candidate. You think that the actual percent is different. 124 of the 213 voters that you surveyed said that they prefer the Democratic candidate. What can be concluded at the 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho:? Select an answer (please enter a decimal) ? Select an answer (Please enter a decimal) ces C. The test statistic ? ▼ (please show your answer to 3 decimal places.) d. The p-value - (Please show your answer to 4 decimal places.) e. The p-value is ? a f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... The data suggest the population proportion is not significantly different 51% ata = 0.05, so there is sufficient evidence to conclude that the proportion of voters who prefer the Democratic candidate is equal to 51%. The data suggest the population…