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Is the average body temperature actually less than 98.6 degrees Fahrenheit for healthy human adults? A sample of 21 healthy human adults was taken. Use these data to answer the following questions.
1. State the null and alternative hypotheses in notation. Define the notation used. (Be specific - make sure the population is included when you define the notation.)
2. Obtain the t-statistic and p-value. Report the t-statistic (with degrees of freedom) and the p-value here.
3. Interpret the p-value in the context of the problem. (Note: this is NOT asking for a conclusion. Think about the definition of the p-value to answer this question.)
A company's manufacturing process uses 500 gallons of water at a time. A "scrubbing" machine then removes most of a chemical pollutant before pumping the water into a nearby lake. To meet federal gregulations the treated water must not contain more t..
If a filled container of juice is selected at random, what is the probability that it is a nonconforming container? If a filled container of juice is selected at random, what is the probability that it was filled on machine II?
If the data were collected for a sample of 50 households rather than 100, develop an 85% confidence interval estimate of the population mean annual amount spent, assuming the population has a normal probability distribution.
assume that x is a binomial random variable with n 30 and p 0.72. calculate the following probabilities. round your
What factors might cause the company to order a larger or smaller amount than the EOQ?
Plot a CDF based on these data. What kind of theoretical distribution do you think would be appropriate for these data? Why?
Is there evidence of a difference in objection to sharing information among the organizational groupings? (use α = 0.05)
Standard deviation of 5. suppose 100 golfers played the course today. Find the probability that the average score of the 100 golfers exceeded 74.
Of the nine members of the board of trustees of a college, five agree with president on a certain issue. The president selects three trustees at random and asks for their opinions. What is the probability that at least two of them would agree with..
What is the probability of the person is 20 to 24 years old.What is the probability of the person is 20 to 34 years old.
How will staying with single suppliers benefit a company in the long run? When multiple suppliers are used, where does the emphasis tend to be placed? How can a company be sure that its single-source suppliers will not fail to meet demand?
If three systems are installed, what is the probability that at least one of the systems will detect the attack? Would you recommend that multiple detection systems be used? Explain.
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