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Explain how the binomial distribution could be used in quality control to sample 50 parts in a lot of 500.binomial distrbution
In an experiment, subjects are required to generate a "yes" or "no" decision. The probability of 'Yes' being correct is 50%. The observed probability of yes decisions is 70%.
Developing project network using AOA that determines completion times.
A random sample of 24 groups of adults has a mean daily lodging cost of $233 and a standard deviation of $12.50. Is there enough evidence to reject the claim at α= 0.10? Assume the population is normally distributed.
Eighty-eight shoppers were interviewed at random, and 59 said that they prefer to shop alone.
Ethnic Group A: N = 15 M= 55 S2 = 6.5 Ethnic Group B : N = 23 M= 51 S2 = 4.5. If the standard deviation of the distribution of the difference between means is .76, what is the t score?
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?
Critically discuss the general characteristics of a research study for which an independent-measures t would be the appropriate test statistics
What is the probability that all 3 would iPods from best buy? Or at least one would have iPod from best buy?
Let N be number of heads obtained on the ten flips. Determine: If you win $1 each time a head appears and you lose $1 each time a tail appears, is this fair game? Describe.
At a large department store, the amount a shopper spent and the shopper's gender (male or female) were recorded. To determine if gender is useful in explaining the amount of money a shopper spends at the store we could
Problem based on decision tree - Evaluate the strategy that maximizes the manufacturer's expected net earnings.
What is the probability of completing the exam in one hour or less (to 4 decimals)? What is the probability that a student will complete the exam in more than 60 minutes but less than 75 minutes.
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