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The pistons averaged 94 points a game with normal distribution and a standard deviation of 6 points, 99.7% of the final game scores fall within what range, what percent of all final game scores did the pistons have mor than 106 points?
Determine what analysis would you do on each problem (ie, one-sample z-test, one-sample t-test, proportion test, two-sample independent t-test, or paired test)?
Real estate agents always say "location, location, location" is the most important thing in buying a house. We want to know if the sales prices of homes in two neighborhoods are similar. A random sample is taken from each neighborhood. The prices ..
Find the probability of each value of X. Draw a histogram to display this distribution. (Because probabilities are long-run proportions, a histogram with the probabilities as the heights of the bars shows what the distribution of X would be in ver..
Does this data provide evidence at the .05 significance level that there is a difference in the proportion of humorous ads in British versus American trade magazines?
Assuming that the variability is unchanged (i.e., σ = 6), is there sufficient evidence to suggest that the strength of the product has increased at the 1% level of significance?
A certain police officer stops cars for speeding. The number of red sports cars she stops in one hour is a Poisson process with rate 4, while the number of other cars she stops is a Poisson process with rate 1.
The American Sugar Producers Association wants to estimate the mean yearly sugar consumption. A sample of 16 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 pounds.
A random sample of n=31 households is asked the number of TV sets in the household. The responses are-What is the mean number of TVs?
The following data set shows the ages of the first 7 presidents and the 7 most recent presidents including President Obama. Find the mean, median, and range for each of the two data sets.
Can you conclude that the information in the article is untrue? Use the 0.05 significance level. Determine the p-value and explain its meaning.
Suppose that the thermometer readings are normally distributed with mean of 0° C and a standard deviation of 1.00° C. A thermometer is randomly selected and tested.
A population is normally distributed, with a mean of 23.45 and a standard deviation of 3.8. What is the probability of each of the following?
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