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A major newspaper is considering to launch an online edition. The newspaper plans to go ahead only if at least 30% of current readers would subscribe. The newspaper surveyed a random sample of 400 current readers, and 130 of those express interest.
1. What should the newspaper do? Use appropriate test and state the assumption(s).
2. What is the P-value for the test you have conducted in part a?
a purchaser of electrical components buys several lots where each lot comes in a bundle of 6 distinct components. it is
test the hypothesis that the mean μ = 100 against the alternative μ ≠ 100. Find the type II probability when the true mean heat evolved is 103.
a report states that 57 of home owners had a vegetable garden. how large a sample is needed to estimate the true
What are the characteristics of standard normal distribution? The HR department of an organization collects data on employees' age, salary, level of education, gender, and ethnicity. Which data do you think is more likely to follow normal distribu..
a coefficient of determination of 0.9 shows that 10 of variation in the dependent variable is caused by change in the
iq data is thought to be normally distributed with a mean of 100 and a standard deviation of 15. the average iq score
Analyzing the relationship between GDP per Capita and State of Peace. Data points where any of the 2 variables are unavailable will be removed. GDP per capita will be on the vertical column, and state of peace will be on the horizontal column.
Describe the data appear the strength of the relationship among variables is sufficient to warrant using linear regression forecasting.
prove for each positive integer n the number n can be written as a sum of n terms na1a2a3.....an where 1a1lta2ltltan
Manufacturing Cost The weekly production cost C (in dollars) of manufacturing x hand calculators is given by the formula C = 6000 + 8x - x 2 / 1000. What is the cost of producing 1000 hand calculators?
Vincent Chiarella was employed as a printer in a financial printing firm that handled the printing for takeover bids. Although the firm names were left out of the financial materials and inserted at the last moment, Mr. Chiarella was able to deduc..
Assume we have three different samples each comprised of 20 different jurisdications. Our objective is to compare the seriousness of juvenile substance abuse across all the samples.
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