In a study of the accuracy of fast food drive-through orders, McDonald’s had33 orders that were not accurate among 362 orders observed. Use a 0.05significance level to test the claim that the proportion of inaccurate orders isequal to 10%.A: Write the claim as a mathematical statement involving the populationproportion ?.B: State the null (?0) and alternative (??) hypotheses.C: Find the test statistic (?????) for the given sample.D: Find the critical value(s) OR the P-value for the given test.E: Would you Reject or Fail to Reject the null (?0) hypothesis.F: Write the conclusion of the test.

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A: Margin of Error(E)=0.05For 99% confidence level Zα2=2.576 Formula; E=Zα2×(p×(1-p)n)

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A: Given, n = 1000 p^=0.26 α = 0.01

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Q: A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What…

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A: From the above data

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A:

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Q: (a) Starting with the 75% estimate for Italians, how large a sample must you collect in order to…

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A: As per our guidelines we are suppose to answer only one question.

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A: The Null hypothesis is  Ho: μ=10

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.