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In a recent survey, 45 percent indicated chocolate was their favorite flavor of ice cream. Suppose we select a sample of eight people and ask them to name their favorite flavor of ice cream.
a. How many of those in the sample would you expect to name chocolate? (Round your answer to the nearest whole number.)
b. What is the probability exactly five of those in the sample name chocolate? (Round your answer to 4 decimal places.)
c. What is the probability five or more name chocolate? (Round your answer to 4 decimal places.)
On randomly selected day, let X and Y, respectively, be proportions of time that the drive-in and walk-in facilities are in use. Determine the marginal density of X.
Assume the variable is normally distributed. If an individual is selected, find the probability that the individual's pressure will be between 120 and 121.8 mmHg.
GB Flash Memory Card After scanning the UPC code of a 4 GB flash memory card using his smartphone, Michael Sullivan received the following prices for the goods at a variety of online retailers. What happens to the interval as the level of confidenc..
What do you feel was the most important concept that you learned in this course? And why? Please illustrate with an example.
Your paper should in 500- 600 words 1) summarize the statistical methods that the researchers used in their article and 2) evaluate those statistical methods. Were the techniques they picked (correlation, hypothesis testing, regression, for exampl..
when using the normal approximation to the binomial what is the standard deviation for a binomial probability
The number of marriage licenses issued in a certain city during the month of June may be looked upon as a random variable with μ = 124 and σ = 7.5. According to Chebyshev's theorem, with what probability can we assert that between 64 and 184 marr..
The MPG (Miles per Gallon) for a mid-size car is normally distributed with a mean of 32 and a standard deviation of .8. What is the probability that the MPG for a selected mid-size car would be less than 33.2?
Description of the study including the purpose and importance of the research question being asked. What is your null hypothesis? What is your research or alternative hypothesis? Your introduction should include at least two resources. These resou..
the value of the pearson r indicatesa the strength of a linear relationship between two sets of ordinal data.b the
The number of column inches of classified advertisements appearing on Mondays in a certain daily newspaper is normally distributed with a population mean of 320 and a population standard deviation of 20 inches.
a surgical technique is performed on seven patients. you are told there is a 70 chance of success. find the probability
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