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You observe
Income (daughter)
Income (father)
Total
High
Medium
Low
30
50
20
100
70
150
10
40
90
140
320
Estimate the proportion of agreement, and compute a 0.95 confidence interval using the R function binomci.
a manufacturing company is modernizing its operations for which it is planning to upgrade a manual assembly operation
Share with your peers the null and alternative hypotheses for a decision that is relevant to your life. This can be a personal item or something at work.
Represent these data in a frequency table a relative frequency line graph.
A candy company claims that 92% of consumers like their candies. To test this claim, 9571 people are selected at random from those who have eaten the company's candies.
Results of study are summarized below. Use a 5% level of significance and test claim that opinion is independent of brand.
If the inner surface is coated with carbon black and maintained at 600 K, what is the irradiation on a small test surface placed in the chamber? If the inner surface were not coated, but still maintained at 600 K, what would the irradiation be?
Construct a 95% confidence interval for the proportion of all those who experience some type of discomfort.
Among a group of 165 students 8 are taking calculus, discrete structures, and computer science; 33 are taking calculus and computer science; 20 are taking calculus and discrete structures; 24 are taking discrete structures and computer science;
For following scores determine values of each expression: X: 4, 2, 1, & 5. åX, åX 2 , (åX) 2 , å(X-1).
You get X = 240 based on a sample n = 25 components, and you want the probability of a Type I error to be .01. State the null hypothesis and perform the appropriate test assuming normality and σ = 4.
what hypothesis that you have recently heard is the most misunderstood? why is this misunderstanding to prevalent and
Looking at the data, the manufacturer is incorrect in its label claim. Perform hypothesis testing to prove or disprove it. Is the manufacturer correct in its label claim? Explain.
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