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1. Describe a situation where the sample histogram is likely to give a good indication of the population histogram based on 100 observations.
2. Comment generally on how large a sample size is needed to ensure that the sample histogram will likely provide a good indication of the population histogram?
How are the degrees of freedom computed for the independence test? Generally, how would the null and alternative hypotheses be stated for the chi-square independence test?
1. There are 23 people at a party. Explain what the probability is that any two of them share the same birthday. 2. A cold and flu study is looking at how two different medications work on sore throats and fever. Results are as follows:
the following data show the number of fruit fly killed at varying concentrations of nicotine.the number of ies killed
Imagine that you collect bottles of wine as a hobby. How would you react to these situations?
Suppose that an individual stock's return is normally distributed with a mean of 10% and a standard deviation of 8%. What is the probability that the stock's return will be at least 16%?
an experiment was conducted to compare the weights of the combs of roosters fed two different vitamin-supplemented
Does the histogram indicate normality for the data distribution? Explain - does the normal quantile plot indicate normality for the data distribution? Explain.
The general social survey is an annual survey given to about 1,500 U.S. adults selected at random. Each year, the survey contains several questions meant to probe the respondents' views of employment.
Where should the warranty limits be set so that only 10 percent of the HDTVs need repairs at the manufacturer's expense?
Show that this function satisfies the requirements of a probability distribution function and calculate the expected (mean) value of x
One grand prize of $600 and two consolation prizes of $100 each will be awarded. Jeremy purchases one ticket. Find his expected value. Show your work for full credit.
two boxes a and b. box a contains 4 red balls and 5 white balls box b contains 2 red balls and 3 white balls. an
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