A publisher reports that 36% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually less than the reported percentage. A random sample of 320 found that 30% of the readers owned a laptop. Is there sufficient evidence at the 0.01 level to support the executive's claim? Step 1: State the null and alternative hypotheses. What is the Ho and Ha  Step 2: : Find the value of the test statistic. Round your answer to two decimal places. Step 3: Specify if the test is one-tailed or two-tailed and determine the P-value of the test statistic. Round your answer to four decimal places.

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A: Given: The given test is a left-tailed test. x=29, n=345, p0=0.10 The formula and calculation of the…

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Q: What is the level of significance? State the null and alternate hypotheses. The level of…

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Q: ??

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Q: Step 1: State the hypotheses. Step 2: Calculate the test statistic.

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Q: A newsletter publisher believes that 25%of their readers own a personal computer. Is there…

A: Given that  A newsletter publisher believes that 25%of their readers own a personal computer. Level…

Q: Perform the following hypothesis test of a proportion: HO: p = 0.125 HA: p 0.125 The sample…

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Q: news article that you read stated that 55% of voters prefer the Democratic candidate. You think that…

A: We have given that  Sample size n =207 Favorable cases x =116 Sample proportion p^=x/n  =116/207…

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Q: James is a school psychologist who wants to implement stress coping skills to help his students. His…

A: Here the direction of the test is to the left.

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Q: publisher reports that 67% of their readers own a particular make of car. A marketing executive…

A: Solution

Q: A new study shows that 35% of adults have never been married. To test if that is a true claim, we…

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Q: A publisher reports that 69%  of their readers own a particular make of car.  A marketing executive…

A: From the provided information,A publisher reports that 69% of their readers own a particular make of…

Q: Write the statistical hypotheses for the below after determining if it is one-tailed or two-tailed.…

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Q: Based on this information, which one of the following statements is correct?                If a…

A: We have given that  Claim: The true population proportion of adults who favour the colour purple is…

Q: If the level of significance for a test for independency was 5% and the p-value was 0.03, what would…

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Q: A newsletter publisher believes that less than 32% of their readers own a laptop. For marketing…

A: Decision : Reject the null hypothesis.

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Q: What type of error is possible in this situation?

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Q: What would it mean to a hypothesis test if we increased or decreased the p-value? Why might someone…

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Q: news article that you read stated that 56% of voters prefer the Democratic candidate. You think that…

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Q: how many of the 200 tests, using a significance level of 5%, will incorrectly find significance

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Q: unions. At the 10% significance level, do the data provide sufficient evidence to conclude that the…

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Q: A survey of 225 randomly chosen commuters are asked if they support an expanded public…

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Q: A newsletter publisher believes that less than 36%36% of their readers own a laptop. For marketing…

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Q: What does The statistical hypotheses consist of?

A:

Q: Suppose 245 subjects are treated with a drug that is used to treat pain and 50 of them developed…

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Q: publisher reports that 36% of their readers own a laptop. A marketing executive wants to test the…

A: Given n=320 P=0.36 Alpha=0.01

Q: I would like to know is my calculated answer correct

A: Step 1:a. Hypotheses:Null Hypothesis (H0): The percentage of working college students remains the…