It is claimed that in a case of auto parts, less than 10% are defective. A...

It is claimed that in a case of auto parts, less than 10% are defective. A sample of 400 parts is examined and 50 are found to be defective. What is the null hypothesis?

		H₀: p ? 0.10
		H₀: p ? 0.10
		H₀: p ? 0.10
		H₀: p < 0.10

Expert Solution

Option - B) H₀: P > 0.10

orchestra answered 2 years ago

(14) It is claimed that in a bushel of peaches, less than 10% are defective. A...

(14) It is claimed that in a bushel of peaches, less than 10% are defective. A sample of 100 peaches is examined and 12 are found to be defective. If α =0.05, what will be the decision?

7) An auto manufacturer claims that only 10% of its cars have defective parts. A consumer...

7) An auto manufacturer claims that only 10% of its cars have defective parts. A consumer agency thinks that this claim is too low and randomly tests 100 cars. If 16 cars have defective parts does this indicate, at a 1% level of significance, that the auto manufacturer"s claim is correct? a) find the critical z-score(s) or t-score(s) b) compute the test statistic c) state whether or not to reject the null hypothesis d) answer the question posed at the...

It is claimed that the mean viscosity of product 2 is less than the mean viscosity...

It is claimed that the mean viscosity of product 2 is less than the mean viscosity of product 1. To test this claim 18 samples are taken from each products and average viscosities are measured as 10.57 and 10.51. It is known that the standard deviation of both products are 0.1. If you test the claim at 0.05 what would be the test statistics. ======================================================================================================== The length of a day (X) and the electricity usage(Y) for that day recorded. Measuremenst...

Domestic Auto Parts Domestic Auto Parts (DAP), a $1 billionsubsidiary of a U.S. auto parts...

Domestic Auto Parts Domestic Auto Parts (DAP), a $1 billion subsidiary of a U.S. auto parts manufacturing company, manufactured and marketed original and after-market parts for automobile producers in the U.S. It distributed products directly to original equipment automakers as well as to large retail chains. DAP was currently number four in market share in the U.S. out of nine direct competitors. Its 9% return on capital was respectable but less than that of its leading competitors. DAP’s current product...

Emirates Top Auto Parts (ETAP) is an independent auto parts dealer that sells auto parts and...

Emirates Top Auto Parts (ETAP) is an independent auto parts dealer that sells auto parts and delivers parts and tools to mechanic shops around the city. Identify possible actors and use cases involved in ETAP’s business functions. Create a use case diagram for ETAP’s operations. For the use case where the customer buys parts, complete a use case description table For the use case where the customer buys parts, create a class diagram. For the use case where the customer...

A researcher claimed that less than 20% of adults smoke cigarettes. A Gallup survey of 1016...

A researcher claimed that less than 20% of adults smoke cigarettes. A Gallup survey of 1016 randomly selected adults showed that 17% of the respondents smoke. Is this evidence to support the researcher’s claim? (a) What is the sample proportion, ˆp, for this problem? (b) State the null and alternative hypothesis. H0 : p = H1 : p < Note that you should have written the same number in the null and alternative hypotheses. This is the value that the...

UML Diagrams Osceola Auto Parts Osceola Auto Parts is an independent auto parts dealer that sells...

UML Diagrams Osceola Auto Parts Osceola Auto Parts is an independent auto parts dealer that sells auto parts, runs tests on customers’ cars,and delivers parts and tools to mechanic shops around town. Tasks 1. Identify possible actors and use cases involved in Osceola’s business functions. 2. Using dia, create a use case diagram for Osceola’s operations. 3. Select one of the use cases and create a class diagram. 4. Using dia, create a sequence diagram for the use case you...

A) Machine A produces an average of 10% of defective parts. Machine B produces on average...

A) Machine A produces an average of 10% of defective parts. Machine B produces on average twice as many defective parts as machine A. Machine C produces on average three times more defective parts than machine B. Here are 8 bags of parts from A, 2 bags of parts from B and 1 bag of coins from C. We randomly take a coin from one of the bags itself also taken at random. She is defective. 1. What is the...

In November 2012, a research study claimed that less than two-thirds of U.S. adults thought that...

In November 2012, a research study claimed that less than two-thirds of U.S. adults thought that President Obama would keep U.S. safe from terrorists during his second term. In a random sample of 1,009 adults, 655 stated that they believed this. Test the study's claim at 5% significance that less than two-thirds (67%) of U.S. adults thought that Obama would keep the U.S. safe from terrorists during his second term. A. Step 1: Determine the Hypotheses B. Step 2: Collect...

In the service department of the NAPA (National Auto Parts Association), mechanics requiring parts for auto...

In the service department of the NAPA (National Auto Parts Association), mechanics requiring parts for auto repair or service present their request forms at the parts department counter. The parts clerk fills a request while the mechanic waits. Mechanics arrive in a random (Poisson) fashion at the rate of 60 per hour, and a clerk can fill requests at the rate of 20 per hour (exponential). If the cost for a parts clerk is $20 per hour and the cost...

Question