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1) A poll states that 30% of the workers in a large company have new desks. If 6 workers are selected at random, what is the probability that at least one worker has a new desk?
2) In a shipment of 20 televisions, 5 are defective. If 2 television sets are randomly selected and tested without replacement, what is the probability that both are defective?
we all know that utilitarianism seeks the good for the majority of people. based on what you learned from chapter 2 we
What percent of trucks logged more than 57,060 but less than 58,280 miles? What percent of Fords travelled 62,000 miles or less in the year?
1. a basketball player makes 40 of her free throws. she takes 5 free throws in a game. if the shots are independent of
a random sample of 900 individuals has been selected from a large population. it was found that 180 are regular users
Possible test scores could range from 0 to 500. Assume that the scores are normally distributed. Find the probability that a student had a score higher than 320.
Pedestrians can press at traffic intersections. It was found that 77% of those buttons do not work. Is the figure of 77% a parameter or a statistic?
What are the null and alternative hypotheses and identify the P-value Identify the critical value(s). State the final conclusion that addresses the original claim. Do the results suggest that there are more than 70,000 defined words in the diction..
a salesperson contacts eight potential customers per day. from past experience we know that the probability of a
Draw a relative frequency histogram to describe the distribution of penny ages. How would you describe the shape of the distribution?
Find the probability distribution of the value x . mean variance and standard derivation.
The number of passengers arriving at an airport terminal average 1200 each hour. To process passengers (check in, take luggage, etc) take an average of 6 minutes each. There are 6 airport staffers processing passengers. How long is the average wait f..
The population variances are 4.6 and 5.0 respectively. Using a level of significance of .05, is there evidence that the dual degree students are receiving lower grades?
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