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Find the required probability for binomial distribution.
Survey: Cellular Phones According to an article appearing in The Wall Street Journal, about 35% of all U.S. households have a cellular phone. Suppose that you are conducting a survey of customer satisfaction regarding their cellular phone. If you called 11 households selected at random, what is the probability that:
a) Fewer than 5 do not have a cellular phone?
b) More than 7 do not have a cellular phone?
What is the probability that a particular driver has two speeding violations.
For a standard normal curve, find the z-score that separates the bottom 90% from the top 10%.
What percent of sales representatives earn more than $42,000 per year?
Fitting of multiple linear regression equation - Give a list of the model assumptions for a regression model.
Be sure the appropriate assumptions and conditions are satisfied before you proceed.
A sample of 40 decaffeinated-coffee drinkers showed a mean of 5.84 cups per day, with a standard deviation of 1.36 cups per day. Use the .01 significance level. Compute the p-value.
What is the probability that a student who has failed the test came from the South District?
Calculate power of test if researcher uses a sample of n = 16 individuals.
State the null and alternative hypotheses you would use to test whether the year-end bonuses paid by Jones & Ryan were different from the population mean.
What is the probability that at most five cases of E. coli per 100,000 are reported in California this year?
Fawns Fawns among1 or 5 months old in Mesa Verde National Park have a body weight that is approximately normally distributed with mean
Compute fraction of the employees cost between $1,500 and $2,000 per year? Evaluate percent that didn't have any dental expense.
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