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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?
In this paper present the Construction of confidence Intervals and the Proper Interpretation of confidence Intervals and show appropriate examples in the education environment.
An interval from 0 to 90 minutes what is the probability that the line interval between two consecutive defective lights will be less than 10 minutes.
Compute a 95% confidence level for the difference in the means of the two treatment methods and select the best answer below. Assume that the independent random samples were taken from normal distribution.
How many men and women are needed to generate a 95% confidence interval estimate for the difference in proportions with a margin of error not exceeding 4%?
What is the 95% confidence interval for the proportion of smokers in the population (to 4 decimals)?
Clearly identify the independent and dependent variables you would study. Determine whether an independent-samples or related-samples t test is most appropriate and why. Generate the statistical null and alternative hypotheses.
A research report summarizes the results of the hypothesis test by stating,"z = 2.13, p
The manufacturer would like to establish inventory levels such that there is only a 2.5 percent chance of running out of stock. Where should the manufacturer set the inventory levels?
A hypothesis test is performed to test the claim that a population proportion is greater than 0.7. Find the probability of a type II error, β, given that the true value of the population proportion is 0.72. The sample size is 50 and the significan..
A mean of 25 inches and a standard deviation of 5 inches. What is the probability that the area receives at least 30 inches of rain in a year?
Suppose that population standard deviation is known to be 10mmHg and samples are from Normal population, test a= 0.01 if blood pressure reading is different from 135mmHg
The distribution of lifetimes for a certain type of light bulb is normally distributed with a mean of 1000 hours and a standard deviation of 100 hours. Find the 33rd percentile of the distribution of lifetimes.
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