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Physical Sciences In Grafton, a rural area in Vermont, the distance (in meters) between telephone poles has a uniform distribution with a = 40 and b = 65. Suppose two consecutive telephone poles are selected at random.a. What is the probability that the distance between the poles is less than 60 meters?b. What is the probability that the distance between the poles is between 45 and 55 meters? Write a Solution Trail for this problem.c. Any distance between poles greater than 50 meters is considered to be environment friendly. What is the probability that the distance is environment friendly?
What deviations from ideality would you expect at these reaction conditions? In order of importance, list the types of intermolecular forces you think contribute to nonideality. Is the van der Waals equation appropriate? Explain.
a manufacturer wants to increase the absorption capacity of a sponge. based on past data the average sponge could
It is believed that the mean height of high school students who play basketball on the school team is 73 inches with a standard deviation of 1.8 inches.
The following show the hours of sleep on weeknights for a sample of individuals age 49 and younger and for a sample of individuals age 50 and older.
Test the null hypothesis of no association, with attention to the natural ordering of the columns. State clearly your alternative hypothesis and choice of test size.
The middle five weeks, and 60% during the last 5 weeks. Would a time-series graph of this data be appropriate? Give a reason for your answer.
the specifications on an electronic component in a target acquisition system are that its life must be between 5000 -
In a supermarket 20% shoplifters usually get caught, if a random sample of 8 shoplifters is selected. Find the mean and variance of the distribution. What is the probability that 3 will get caught?
tom parks his car at a meter without paying for 1 hour. a parking enforcement officer checks for parking violations an
Kind of examination produced significant main effects on both mean mark and time taken to complete the examination.
The median for different sample sizes. Refer to the previous exercise. Use the Mean and Median applet to explore the median for 5, 7, 9, and 11 observations. Write a short paragraph explaining what you have learned from this exercise.
A boxcar contains six complex electronic systems. Two of the six are to be randomly selected for thorough testing and then classified as defective or not defective. If two of the six systems are actually defective, find the probability that at le..
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