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Suppose that 15% of the people in a large city have used a hospital emergency room in the past year. If a random sample of 110 people from the city is taken, approximate the probability that at least 17 used an emergency room in the past year. Use the normal approximation to the binomial with a correction for continuity. Round your answer to at least three decimal places. Do not round any intermediate steps.
Identify a business research topic and Define the research questions for the identified problem or opportunity
Calculate the adjusted seasonal factors and calculate the payoff and determine the decision the company should make using each of the decision making under certainty criterion
use the given data to find the minimum sample size required to estimate a population proportion or percentage. margin
A 2005 study found that 202 women held board seats out of a total of 1,195 seats in the Fortune 100 companies. A 2003 study found that 779 women held board seats out of a total of 5,727 seats in the Fortune 500 companies.
sometimes the geometric random variable is defined to be the number of trials x preceding the first success. write down
What is the most accurate statement that could be made about the p-value for this test? Construct and interpret the 90% confidence interval for the difference between the population means. Is the hypothesized difference (0.00) within the interval..
the following data represent the number of passengers per flight in a sample of 50 flights from wichita kansas to
what is stated by the alternative hypothesis h1 for an anova?a there are no differences between any of the populationsb
the distribution of calories burned by players who played the whole game in the premiere league is normally
Pedestrian Walk Buttons New York City has 750 pedestrian walk buttons that work, and another 2500 that do not work (based on data from "For Exercise in New York Futility, Push Button
The university policy department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with mean of 6.0 tickets per day. Find the p..
Determine the mean annual amount spent on household consumption per family with a sample of 100 families, an average amount of $8,000 spent, and if the population standard deviation is $500,
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