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Out of the total nuts manufactured by a company 0.5 percent became defective. The nuts are supplied in packets of 40. Find out the probability number of packets containing:
(a) No defective(b) One defective(c) Two defectives(d) Three defectives(e) Less than four defectives and(f) More than four defective nuts respectively in a consignment of 50,000 packets. Assume Poisson distribution.
What was the highest score earned on the exam? According to Chebyshev's Theorem, how many students scored between 42 and 74?
Both days have sample standard deviations of 3.4. Is the average mean of size different from day 1 to day 2?
This question is asking for speculation about the possible results of a study if we change the size of the population. It all depends on unknowns such as how representative the 100 adults are of the population.
Describe a psychological research situation or scenario that would use a nonparametric test. Why would the nonparametric test be used?
The firm examined 35 randomly chosen fax transmissions during the next year, yielding a sample mean of 14.44 with a standard deviation of 4.45 pages.
Determine a 95 % confidence interval for the iron concentration.
You can allow the cup to overfill 4% of the time. What amount should you set as the mean amount of coffee to be dispensed?
A study was done on the accuracy of advertisements by the five types of electronics stores in a city. On each of the six days, items were randomly selected from the advertisements for each type of store and the actual price was compared to the adv..
For population with mean of µ=60 and a standard deviation of s=24. Determine the z score corresponding to each of following samples.
Find a z score for which the area under the standard normal curve from -z to z is 50%. (b) Find the range of scores which will be assigned a grade of C.
Compare the effectiveness of three methods of teaching (IV). You plan to administer a standardized test (DV measured on an interval scale measuring knowledge acquisition) to the students in three classes with each class using a different teaching ..
Research the topic of Job Satisfaction using the Business Source Premier Database (EBSCO) and/or the ABI Inform Global database in the Library using the instructions linked here.
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