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The length of time it takes to find a parking space at 9 A.M. follows a normal distribution with a mean of 4 minutes and a standard deviation of 2 minutes.
Eighty percent of the time, it takes more than how many minutes to find a parking space? (Round your answer to two decimal places. )
Heights of People - The average height of a certain age group of people is 53 inches. The standard deviation is 4 inches. If the variable is normally distributed, find the probability that a selected individual's height will be:
There are 8 members on the board of directors. If the board must form a committee of 6 members, how many different ways may the committee be selected from among the 8 board members?
question each part of this problem is a separate problem.a. usingnbsp adx in sas write down the runs for an experiment
In our discussions of basic probability theory the concepts of mutually exclusive events and independent events share prominent roles.
Use simulation to generate 500 values of this random variable X.- Is the simulated distribution indicative of the given probability distribution? Explain why or why not.
Do you think that these types of statistics can ever be accurate? How could this statistic be biased? In what ways could scientists misinterpret the results of their studies and come up with an incorrect statistic? What are your thoughts?
What is the sample space for this process and evaluate the variance of the intelligence scores
Aquatic deposit feeders are organisms that feed on organic material in the bottoms of lakes and oceans. Display 9.21 shows the typical dry weight in mg, the typical ingestion rate (weight of food intake per day for one animal) in mg/day, and the p..
A cellular phone company advertises that the average age of its customers is lower than 30 years. It is known that the customer ages follow a normal distribution. A random sample of 16 of this company's customers responded as follows, when asked..
Find the experimental probability of getting the letter e when a letter is drawn at random from this text:
If the block, having a weight of is moving downward at v = 4 ft/s when it is 2 ft above the plate, determine the maximum compression in each spring after it strikes the plate. Neglect the mass of the plate and springs and any energy lost in the ..
A metropolitan school system consists of three school districts-norths, south, central. The north district contains 25% of all students, the south district contains 40%, and the central district contains 35%.
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