Lt4c4 and 5 C. Solve the following using the five-step hypothesis testing procedure.1. A movie and regulations personnel claims that 30% of all movies made are Rated G. If 13 out ofthe 40 randomly selected movies are Rated G, is the personnel's claim supported? Use 95%confidence level.2. A television channel claims that 40% of the population who watch TV patronize their TV channel.After collecting 70 samples, they found that 30 of them watch the said TV channel. Use a =0.01 to test their claim.3. A medical technologist claims that 25% of the chain-smokers are teenagers. After making asurvey of 42 chain-smokers, he found that 8 of them are teenagers. Using 95% confidence level,test whether his claim is supported or not.4. A college dean reported that 80% of all students majoring in Math are males. If 62 out of the 80randomly selected college students who major in Math are males, is his claim supported? Use99% confidence level.5. A teacher believes that less than 20% of the students like Mathematics. If 13 out of the 60randomly selected students like Mathematics, is the teacher's claim valid? Use 90% confidencelevel.

4] Followings are the explanation of the question Use the One sample z proportion test The…

Answered: 4. A college dean reported that 80% of…

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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Answer the following using the 5-step hypothesis testing procedure: A movie and regulations personnel claims that 30% of all movies made are rated G. If 13 out of the 40 randomly selected movies are Rated ^, is the personnel’s claim supported? Use 95% confidence level. A television channel claims that 40% of the population who watch TV patronize their TV channel. After collecting 70 samples, they found that 30 of them watch the said TV channel. Use ɑ=0.01 to test their claim.
Answer the following using the 5-step hypothesis testing procedure: A medical technologist claims that 25% of the chain smokers are teenagers. After making a survey of 42 chain-smokers, he found that 8 of them are teenagers. Using 95% confidence level, test whether his claim is supported or not.
A fast food company has decided to open a store in a city if more than 70% of the inhabitants eat out more than 3 times each week. The company polls 50 families and finds that 68% of them each out more than 3 times each week. Using 90% confidence level, answer the following questions. 1.What is the hypothesis test to be done? a) H0 : p b) HA : p c) α =
1.Respond to the following questions in accordance with characteristics of hypothesis testing. a.If you want to see if the average gestational length among African American women is different from the national average of 39 weeks, how would you set up the null and two-sided alternative hypotheses? b.If you want to see if the average gestational length among African American women is less than the national average of 39 weeks, how would you set up the null and one-sided alternative hypotheses? c.In other words, what is a P-value? d.If α is 0.10 and you find a P-value of 0.08 in your hypothesis test, what would you conclude? e.How do you calculate the standard error of ?̅?
Given that the P-value for the hypothesis test is 0.501, what do you conclude? Does it appear that the heights were obtained through measurement or that the subjects reported their heights?
If the level of significance for a test for independency was 5% and the p-value was 0.03, what would the conclusion be: a. Fail to reject the null hypothesis b. Reject the null hypothesis and accept the alternate hypothesis
A health provider saw that 48% of their members received their flu shot in recent years. The health care provider tried a new advertising strategy the following year, and they took a sample of members to test if the proportion who received their flu shot had changed. Determine the null and alternative hypothesis
With a p value of .04 and an ⍺ of .05, should you reject or fail to reject the null hypothesis?"
In performing a hypothesis T-test, the p-value was 0.00046 and the significance level was 5%. What is the conclusion? Is it a,b,or c? a. Reject the null hypothesis and accept the alternate hypothesis b. Accept both the null hypothesis and alternate hypothesis c. Fail to reject the null hypothesis
After Texas A&M lost again to their rival, the University of Texas, in a football game, the A&M Alumni association decided to conduct a survey to see who wanted to fire the head football coach. Let p represent the proportion of all alumni who favor firing the coach. To guarantee an estimate that is within 0.05 of p at the 95% confidence level, which of the following is the smallest sample size needed? a 269 b 1436 c 385 d 601 e 421
4. Ten students on a low-fat diet designed to lower their cholesterol and recorded their before and after diet data in the following table: Before diet cholesterol level: After diet cholesterol level: 140 140 220 230 110 120 240 220 200 190 180 150 190 200 360 300 280 300 260 240 Based on a 95% confidence level, after hypothesis testing, what would you tell the students about the diet? Does the null hypothesis reject H0 or fail to reject H0?
Over the past few decades, public health officials have examined the link between weight concerns and teen girls’ smoking. Researchers surveyed a group of 273 randomly selected teen girls living in Massachusetts (between 12 and 15 years old). After four years the girls were surveyed again. Sixty-three said they smoked to stay thin. Is there good evidence that more than thirty percent of the teen girls smoke to stay thin? Solve the following problems using the steps in conducting hypothesis tests.

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