Suppose it is known that in a certain community 30% of the household have a micro-wave oven. if we select a simple random sample of 19 households from this population, how many would we expect to have mirco-waves ovens?

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A: Given:-             Studies of the size and range of wild animal populations often involve tagging…

Q: According to a report on sleep deprivation by the Centers for Disease Control and Prevention, the…

A: From the given information, 8.0% of the California residents are insufficient rest. 8.8% of the…

Q: According to a prestigious historical society, in 1999, 7.2% of recent high school graduates believe…

A: Given, Proportion of population who believed that the Romans invented mayonnaise P=7.2%=0.072 Sample…

Q: Workers in the office like to drink coffee during work. A doctor is concerned about this situation…

A: We want to test the hypothesis by using t test

Q: A random sample of n1 = 149 people ages 16 to 19 were taken from the island of Oahu, Hawaii, and 8…

A: Note: Hi there! Thank you for posting the question. To avoid the plagiarism issue we have used the…

Q: In a large clinical trial, 396,553 children were randomly assigned to two groups. The treatment…

A: Given, α=0.10 a). To test the claim p1<p2 hypothesis test is better to be used. b). The p-value…

Q: A study to compare two insurance companies on length of stay for pediatric asthma patients randomly…

A: Given Information: Insurer A: Sample size n1=393 Sample mean x¯1=2.31 Sample standard deviation…

Q: A researcher is creating a new treatment protocol for Myelodysplastic Syndrome (MDS), a form of…

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Q: At a pharmaceutical company, a new experimental allergen was developed and dermatologists were…

A: The appropriate choice of inferential procedure is to be defined for the study that involves the two…

Q: The U.S. Energy Iniormation Administration clalmed that U.S. residenual customers Used an average of…

A: We want to draw a conclusion and interpretation of decision

Q: The National Academy of Science reported that 33% of research in mathematics is published by US…

A: This problem can be solved using z test for proportion. The formula for the z test statistic is…

Q: In a simple random sample of 600 men taken from a big city 400 are found to be smokers. In another…

A: We have given that  Sample size n1= 600 ,n2=900 Favorable cases x1=400, x2=450

Q: The U.S. Energy Information Administration claimed that U.S. residential customers used an average…

A: The given values are:Population mean (μ) = 10,069 kWhSample mean (x̄) = 10,461 kWhPopulation…

Q: A random sample of 1200 apples was taken from a large consignment and found that 10% of them are…

A:

Q: Suppose that Brooke is a manufacturing plant supervisor, and she is considering whether a new…

A: Given data  n1=20, x̄1=46.731, s1=0.675  n2=18, x̄2=44.933, s2=0.687