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4. A simple random sample of 300 items is selected from a large shipment, and testing reveals that 4% of the sampled items are defective. The supplier claims that no more than 2% of the items in the shipment are defective. Carry out an appropriate hypothesis test and comment on the credibility of the supplier's claim 5.It has been claimed that 65% of homeowners would prefer to heat with electricity instead of gas. A study finds that 60% of 200 homeowners prefer electric heating to gas. In a two-tail test at 5% level of significance, can we conclude that the percentage who prefer electric heating may differ from 65%.
a. Display these results in a table that best shows the association between cannibalism and the number of sneaking males. Identify the type of table you used.
What are the possible values of this random variable and draw the density function.
Create a histograms for variable height-pull up Graph
What is the standard error of his prediction?
Are Gender and type of job independent?
Use Analyze, Descriptive statistics, Frequencies to summarize nonmetric variables, and create a pie-chart for Year in college and create a histogram for IQ and include the normal distribution.
Carry out a validation study, an I/O psychologist is developing a regression equation from data collected from those hired two years ago.
1. What techniques are used to solve decision making problems under uncertainty? Which technique results is an optimistic decision? Which techniques results in pessimistic decision? Give examples of each.
Write a report on simple data analysis and comparison.
q1. in a pure exchange economy with two goods g and h two traders amos and elise have cobb-douglas utility functions.
What is the critical path and project completion time for the budgeting process and what is the cost to complete the project based on the Normal Times?
1. in this exercise we will be building regression models for predicting house prices. we will be using data collected
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