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Questions
1. A genetic experiment with peapods resulted in one sample of offspring that consisted of 443 green peapods and 170 yellow peapods. Construct a 95% confidence interval to estimate the true percentage of yellow peapods.
2. A random sample of the birth weights of 186 babies has a mean of 3103 grams and a standard deviation of 700 grams. Construct a 98% confidence interval estimate of the mean birth weight for all such babies.
3. Salaries of 31 college professors who took a geology course in college have a mean of $58,000 and a standard deviation of $16,954. Construct a 90% confidence interval estimate of the population standard deviation of all such professors.
I have 8 problems that I need help with. I will need to upload the files. Thanks
Marginal costing and Break-even analysis According to C.I.M.A. Manchester, "Marginal Price means the quantity at any given variety of result by which get worse scenario costs ar
First of all, thank you very much for your help. I have a mixes data base, categorial variable, liclekt scale on 5 and 4, and continous variable, and several dummy. I would need h
The game of "Bunco" is played with three standard dice. "Bunco" occurs when all three dice show the same number of spots. What is the probability of tossing a "Bunco" on the first
We find the correlation coefficient and plot the scatter plot using excel as follows: Time in Waiting Room Heart Rate
is direct costing variable, relevant or prime costing
United States: There are currently more than 10000 companies that are registered with the SEC (Securities Exchange Commission). Of these, around 1000 are non US companies. The non
A study done at the University of Maryland (cited in Weiss, Introductory Statistics, 7th ed, 2005) measured the body temperatures of 93 healthy humans. On the frequency- histogram
Measures of Dispersion (Variation) A measure of dispersion is to measure the spread among values of observations in a data set. There are three commonly used measures of disper
Quota Sampling: in stratified the cost of taking random samples from individual strata is often so expensive that interviewers are simply give quota to be filled from different str
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