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Define exponential function. Give an example of such function and graph it. Discuss what are common characteristics of all exponential functions. (i.e. domain/range/intercepts/asymptotes, general behavior)
Define logarithmic function. Give an example of such function and graph it. Discuss what are common characteristics of all logarithmic functions. (i.e. domain/range/intercepts/asymptotes, general behavior)
A sample of 50 provided a sample mean of 14.15. The population standard deviation is 3.
Using z-scores, a population with mean = 37 and standard deviation = 8 is standardized so that the new mean is mean = 50 and standard deviation = 10. How does an individual's z-score in the new distribution compare with his/her z-score in the orig..
If a single card is drawn from an ordinary deck of cards, what is the probability of drawing either a heart or a 6? (Answer in a fraction).
A store manager wishes to find out whether there is a relationship between the age of her employees and the number of sick days they take each year. The data for the sample are shown below:
What type of shape would you expect the histogram of the sample size to have? What value would you estimate for the mean of the histogram of sample means?
An electric utility wishes to examine the relationship between temperature and electricity use in its service region during the summer months.
The mean number of cargo ships that arrive at a port is 3 per day. The port has staff and facilities to handle up to 6 ships in a day. Using the Poisson distribution, find the probability that, on a given day,
Compute the variance and standard deviation of the number that will arrive within two days.
Wildlife Hummingbirds Selasphorus sasin is the scientific name for what is commonly called "Allen Hummingbird" This beautiful hummingbird lives on the west coast of the United States and is named C.A. Allen
Population was computed to be 126.9 grams and the standard deviation was 1.20 grams. which food results in more uniform weight.
How closely is the height of an individual related to the weight? Partial regression output for a sample of 92 individuals is below.
Since they will be multiplying this average by the total number of customers to get an overall forecast, they would like to accurately estimate this average with a margin of error of less than $4000.
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