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A vinyl siding company claims that the mean time to install siding on a medium-size house is at most 20 hours with a standarddeviation of 3.7 hours. A random sample of 40 houses sided in the last three years has a mean installation time of 20.8 hours.
1) At the 0.05 significance level, can a claim be made that it takes longeron average than 20 hours to side a house?
2) State the null and alternate hypotheses
3) State the decision rule
4) Compute the value of the test statistic
5) Formulate the decision rule
6) What is your decision regarding the null hypothesis and interpret.
A. A restaurant has found that about 20% of the diners with reservations do not show up. Suppose that 12 reservations parties are made. a) Write the binomial probability function for this experiment.
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Describe the order of operations and explain how it is used to simplify expressions. Explain specifically the order in which mathematical operations must be performed to correctly simplify an expression.
Maximizing Profit: Demand for Steak Dinners, The unit cost of producing a steak dinner at the Smalltown Inn is $6. If a restaurant charges p dollars for a steak dinner, customers will demand 200 - 5p steak dinners per week
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how to verify a process is gaussian process mathematically.
Use decision tree diagram to solve the problem.
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Which of the following indicates how many observations fall into various categories?
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