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A self proclaimed psychic was tested with 100 cards face downand asked to determine what symbol, out of 5 possible symbols the card hado n it. How many would this person need to get right for us to be convinced at the 99% level tha t this person is a psychic?
Determine the sample size needed in order to be 99% confident that the sample proportion of the current customer accounts is within .03 of the true proportion of all current accounts for this company.
By law of averages. Bystander suggests him to quit, on ground that his luck is cold. Who is correct? Or are both of them wrong?
What are some typical applications of the Binomial and the Poisson probability distribution? Explain with examples. When is the Hypergeometric distribution used?
A scatter diagram that plots the values of the residuals against the values of the dependent variable
The nation health department has concerns with the chlorine level of 0.4% mg/mL at a local water park raises to unsafe level.
Toby's trucking company determined that the distance traveled per truck per year is normally distrinuted, with a mean of 50.0 thousand miles and a standard deviation of 12.0 thousand miles.
Find the probability, rounded t four decimal places, that a person selected at random consumes less than 220 pound per year.
Would the null hypothesis be accepted or rejected in this case?
Locate the results of a recent survey in a newspaper, magazine, or Internet article. Outline the survey data so that your peers can understand the variables and results, and then identify at least one key formula from this Module that you could us..
Rodney partida is an American who is of Mexican ancestry. He was convicted of burglary with intent to commit rape. Use the "rule of thumb" to find the minimum usual number and the maximum usual number of Mexican-americans.
The population of IQ scores forms a normal distribution with a mean of u=100 and a standard deviation with a mean of sigma=15.
What percent of the sales representatives earn more than $42,000 per year? What percent of the sales representatives earn between $32,000 and $42,000?
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