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A research company stated that 20% of missed school days are due to asthma. If a group of 400 school children are selected at random, what is the probability that at most 70 children will miss school because of asthma?
A business finds the average cost required to complete a project is $416 with a standard deviation of $57. A sample of 36 project cost reports was selected at random.
Show that someone will think that the claim has more than a fifty percent chance of being true if p > q / (1 + q). Explain.
Sampling variability refers to the idea that different samples will include different individuals
Suppose you are on a test and are asked to determine whether the given experiment is binomial, Poisson, or neither. What are you going to think about to determine which test to use. Do you have a checklist? How would you approach this problem?
If the Sum of Squares for Treatments (SST) is 10% of SS(Total), and the Sum of Squares for Blocks (SSB) is 20% of SS (Total), find the F values for this experiment.
Qualitative or ethnographic research uses open-ended questions that attempt to nuance the distinctions that quantitative research attempts do to numerically.
When studying the simultaneous responses to two categorical questions, we should set up a:
2 laptops are chosen at random without replacement, what is the probability that both are high priced?
Harry's hamberger is a restaurant where customers form a single line for 1 cashier. The average numbers of arrivals is 1 per minute and the Poison distribution accurately defines this rate.
The table shows the results of a survey im which 180 family were asked if they own a home and if they will be purchasing a new vehicle this year.
Drug manufacturer knows that for a certain antibiotics, the average number of doses ordered for a patient is 20. Steve Simmons, a salesman for the company
What critical value should the company officials use to determine the rejection region?
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