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# Hi! I hope your doing well :) can you help me with the following

Question

Hi! I hope your doing well ðŸ™‚ can you help me with the following hypothesis question using the attached formulas and in the format below please? 1st Hypothesis 2nd Test Statistic 3rd Rejection region and 4th P-value. I attached an example that I did to help you understand what i’m saying

Question Hi, Would you please help me with the question (Q1) attached? It’s hypothesis testing. If it could be in the format of stating the following- 1st Hypothesis 2nd Test Statistic 3rd Rejection region and 4th P-value. I attached an example that I did to help you understand what i’m saying: .

## 5. The following data are the weights in decagrams, of 10 packages

Question 5. The following data are the weights in decagrams, of 10 packages of grass seeds distributed by a certain company: 46.4, 46.1, 45.8, 47.0, 46.1, 45.9, 45.8, 46.9, 45.2, 46. a) Find a 90% confidence interval for the mean of all packages of grass seeds that this company distributes, assuming a normal population and equal variances. b) Find a 90% confidence interval for the variance of all grass seed packets distributed by this company, assuming a normal population.

## 1. A recent survey of 4276 randomly selected households showed

Question 1. A recent survey of 4276 randomly selected households showed that 4019 of them had telephones. Construct a 95% confidence interval estimate for the proportion of homes who have telephones now. Show all your work. 2. A survey of 10,000 voters in a state reveals that 7015 favor approval of an issue before legislature. Construct the 95% Confidence Interval for the true population proportion of all voters in the state who favor approval. Show all of your work.

## A recent survey asked “Has the recent outbreak of coronavirus (covid-19)

Question A recent survey asked “Has the recent outbreak of coronavirus (covid-19) directly impacted your business?” to a sample size of 1,172 which represents the 300,000 small business owners in their database. These employers had between 1-465 employees each. The results were as follow for 3 different dates:March 10th74% said no impact23% said yes, negative impact3% said yes, positive impactMarch 20th19% said no impact76% said yes, negative impact5% said yes, positive impactMarch 30th5% said no impact92% said yes, negative impact3% said yes, positive impactWhat key formula can we use to evaluate this data for the following list? The hypothesis test for matched or paired samples? Chi-Square Distribution? Or goodness-of-fit test? Please calculate one of the three.

## The pesticide diazinon is in common use to treat infestations of the German cockroach, Blattella

Question The pesticide diazinon is in common use to treat infestations of the German cockroach, Blattella germanica. A study investigated the persistence of this pesticide on various types of surfaces. Researchers applied a 0.5% emulsion of diazinon to glass and plasterboard. After 14 days, they randomly assigned 72 cockroaches to two groups of 36, place done group on each surface, and recorded the number that died within 48 hours. On glass, 18 cockroaches died, while on plasterboard, 25 died.Is there convincing evidence that the difference in proportion of cockroaches that died on each surface is significant from the data givenState Plan Do Conclude

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