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1. In a random sample of 5 parts on an assembly line, the probability that one of the parts is defect is 15% and follows a binomial distribution. What is the probability of no parts being defective?
2. The number of customers at Quiet Morning Bakery is believed to Follow a Poisson distribution with a mean of 2 customers per minute. During a randomly selected one minute interval, what is the probability of 6 customers arriving to the Quiet Morning Bakery?
Using the stem and leaf technique, construct a less-than cumulative frequency distribution. -Draw to scale a histogram, frequency polygon and less-than cumulative ogive using the information from 1.
Syracuse Roadbuilding Company is considering the purchase of a new tandem box dump truck. The truck costs $95,000, and an additional $5,000 is needed to paint it with the firm logo and install radio equipment.
Using thesedata, perform a simple regression analysis to predict the price of a digital camera using the number of effective megapixels. Interpret the slope term and state whether it is consistent with the buyer's prior belief.
Study have in distinguishing between case-fatality rates in 1990 and 2000-2005 if a two-sided test with significance level .05 is planned? B. How large a sample is needed in the previous problem to achieve 90% power?
Independent random samples were taken from normal distributions of the yearly production of ships built by the International Ship Building Company under (1) a fixed-position layout and (2) a project layout.
Provide an overview of the problem you identified. What are some research components that could be measured in order to address the research question or hypothesis you identified? How might a researcher obtain that information?
A die is loaded in such a way that the probability of each face turning up is proportional to the number of dots on that face. What is the probability of getting an even number in one throw?
If campaign can be expected to also to rise the probability of best case scenario to 0.4, is it a good investment.
question the sugar producers association wants to estimate the mean yearly sugar consumption. a sample of 16 people
A busy landscaping supplies company sells wood chips for garden mulch. The mulch is sold by the cubic metre and delivered to households in a small truck.
how can you do a regression analysis on excel to predict your sales for the next 5
A company that manufactures computer chips wants to use a multiple regression model to study the effect that 4 different variables have on y, the total daily production cost (in thousands of dollars).
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