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Q1. For the following questions, would the following be considered significant if its probability is less than or equal to 0.05?
Is it significant to get a 12 when a pair of dice is rolled?
Q2. Assume that a study of 500 randomly selected school bus routes showed that 480 arrived on time. Is it significant for a school bus to arrive late?
Q3. If you flip a coin three times, the possible outcomes are HHH, HHT, HTH, HTT, THH, THT, TTH, and TTT. What is the probability of getting at least one head.
Is the sample a part of the population or the population apart of the sample? Why would researchers just not use the entire population to be more accurate? Can you give an example of a sample from a given population?
Compute the mean, median, and mode. Which of these measures of central tendency do you think most accurately describes the lifestyle variable you are looking at?
A random sample of 35m of the firm's accountants has a mean workday of 8.2 hours with a standard deviation of 0.5 hour. At α = 0.01, can you support the CEO's claim?
bachelor's degrees; and of 75 male nurses, 34 had bachelor's degrees. If a nurse is selected at random, and the probability that the nurse is? A female nurse with a bachelor's degree.
Find out the best predicted household size given that the household discards 5.00 lb of plastic.
Construct a frequency distribution, percentage distribution, and cumulative percentage distribution for average airfares.
the annual incomes of the five vice presidents of ellys industries are 41000 38000 32000 33000 and 50000. the annual
If the monthly demand for videos on average is 180 and standard deviation = 60, what is the number of videos the manager should order to meet 90% customer demand?
Explain the difference between the null and alternative hypothesis. Which one can be proven in a statistical sense?
With a normal distribution of 50 and standard deviation of population =10, how do I figure out the score at the 40th percentile? How do figure out the % of scores falling above 70? How do figure out between what scores do the middle 50 percent of cas..
Conduct a one-sided hypothesis test of the claim that corner-lot houses have higher average selling prices than those located on non-corner lots.
This requires you evaluate the data (on the next sheet) and apply Queueing Theory to determine the characteristics of the queues. Please refer to the concept on Queuing Theory for the procedures to do.
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