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Probability using Pareto chart.
1. Use the Pareto chart, which shows the results of a survey in which 500 adults were asked why they don't always eat healthy foods.
Find the probability of randomly selecting an adult from the sample who doesn't always eat healthy foods because he or she has no time to cook or is confused about nutrition.
2. Five players in a basketball team must choose a player on the opposing team to defend. In how many ways can they choose their defensive assignment?
3. An employer must hire 2 people from a list of 13 applicants. In how many ways can the employer choose to hire 2 people?
Find out the required probabilities utilizing Binomial distribution. According to Best buy, 2/3 citizens have iPods. In a randomly selected group of 3 iPod owners.
Explain the logic of what you have done, writing as if you are speaking to someone who has never heard of correlation (but who does understand the mean, deviation scores, and hypothesis testing);
Let Y be the number of envelopes for which the machine fails to remove a check. Using the Central Limit Theorem to approximate P{Y≤10}.
To test whether the significant difference between two proportion test using large sample test.
Using a critical value, test hypothesis at the 1% level of significance.
The standard deviation is estimated to be 0.279. Use the 99% level of confidence.
Now we would like to evaluate regression equation for X using Y as independent variable.
What can be completed to remedy multicollinearity.
The cost of one serving of peanut butter ( in cents) for a random sample of 19 jars of peanut butter was found to be:
When the non-parametric statistics utilized? Write down an example.
Of the 1,4000 homemakers sampled, 420 were able to identify the brand by name. Estimate the value of the population proportion.
What is the proportion of people surveyed that rated the subway system from 3 to 4. What is the proportion of people surveyed rated the Subway System from 1 to 3.
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