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Search the Internet for U.S. climate data. Choose the city in which you live. Click on the tab that reads "Daily." 1. Prepare a spreadsheet with three columns: Date, High Temperature, and Low Temperature. List the past 60 days for which data is available. 2. Prepare a histogram for the data on high temperatures and comment on the shape of the distribution as observed from these graphs. 3. Calculate X- and S. 4. What percentage of the high temperatures are within the interval X- - S to X- + S? 5. What percentage of the high temperatures are within the intervalX- - 2S to X- + 2S? 6. How do these percentages compare to the corresponding percentages for a normal distribution (68.26% and 95.44%, respectively)? 7. Repeat Parts 2 to 6 for the minimum temperatures on your spreadsheet. 8. Would you conclude that the two distributions are normally distributed? Why or why not?
Let A be the event that the first casting selected is from the local supplier, and let B denote the event that the second casting is selected from the local supplier. Determine: P (A ∩ B)
A sample of 15 workers revealed the following number of minutes traveled. Develop a 98 percent confidence interval for the population mean. Interpret the result. Please explain how you calculate.
1 although crime rates in the u.s. are generally falling in the past much has been written about the relative
which of the following correlations expresses the strongest relationship?a .50b .80c .00d - .35e -
These show an average yield of 850 boxes of fruit, with a standard deviation of 100 boxes. Give a 95% confidence interval for m, the average (10-acre) yield for all groves utilizing such a maintenance spraying program. Assume that s can be replace..
the gestation period for human births can be taken as normally distributed with a mean of 266 days and a standard
How large a sample is needed to estimate the true proportion of homeowners who have snow blowers to within 5% using a 98% confidence level?
Consider the Markov chain with general 2 × 2 transition matrix
A recent of minimum wage earners found that 27% of them are 16 to 24 years old. Suppose a random sample of 500 minimum wage earners is selected. What is the probability that at most 150 of them are 16 to 24 years old? Use the normal curve approxim..
The meaning of the standard deviation, and any other relevant comments you would have if you were a member of the committee evaluating this study to determine if more money should be granted to these researchers.
If s(x) = [1-(x/100)]1/2, 0 ≤ x ≤ 100, evaluate a. 17p19 b. 15q36 c. 15|13q36 d. μ(36) e. E[T(36)].
an elevator in a building starts with 6 people and stops at 8 floors. assuming that all permutations of the passengers
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