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A survey of 850 workers were asked how much they used the Internet at work. 578 said they used the internet within limits, and 255 said that they did not use the Internet within limits. Construct a 95% confidence interval estimate for the proportion of all workers who did not use the Internet within limits. Explain your findings so that your non-quantitative partner will understand them
The theory underlying inferential statistics and other theoretical aspects are subjects we do not often consciously think about in our daily activities.
Obtain a test statistic and p-value. Interpret the results at = .01.
listed below are measured amounts of lead in micrograms per cubic meter or ugm3 in the air. the epa has established an
In these questions we have to make a decision about the given claim. For example, if the claim is that a coin favors heads and sample results consists of 11 heads in 20 flips, conclude that there is not sufficient enough evidence to support the cl..
Find the probability and mean and standard deviation for given data under Binomial distribution.
Factor the polynomial completely. Factor each completely given that the binomial following it is a factor of the polynomial.
in a manufacturing process a random sample of 36 bolts manufactured has a mean length of 1.71 inches with a standard
Use the correct formula to find the probability that, out of 10 customers, exactly 5 are familiar with the product. Show your calculations or explain how you found the probability.
You are running a chi-squared test. If you have 5 groups with 3 characteristics each, what would your critical value be with an alpha of .25? a . Between 0 and 3.0
Determine whether each of the following is an experiment or an observational study. Also identify the explanatory and response variables.
an individual who has automobile insurance from a certain company is randomly selected. let y be the number of moving
A certain type of tomato seed germinate 90% of the times. if a farmer plants 25 seed, What is the probability that: -exactly 20 germinates more than 19 germinates.
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