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A 1-lb ball A is traveling horizontally at 20ft/s when it strikes a 10-lb block B that is at rest. If the coefficient of restitution between A and B is e=0.6 , and the coefficient of kinetic friction between the plane and the block is µk = 0.4, determine the distance block B slides on the plane before it stops sliding
suppose we have a pile of 20 batteries of which ?ve are dead. if we select 4 batteries at random let x be the random
You may use the manual method of calculation, or show how MegaStat (or other software) is used to analyze the data. Be sure to discuss the interpretation of results.
The average service time appears significantly longer than 90 seconds. What is the actual average service time? What critical value should be used in the magazine"s hypothesis test?
Although Bob raised the price to $1.75, sales of quarter-pound burgers rose to 8,200. Explain why this does not represent a violation of the law of demand.
What probability distribution does n1 alone have? Specify the values of the sample size index and parameter for that distribution.
Plot a scatter diagram and what kind of relationship exists between these two variables
Suppose the probability of suffering a side effect from certain flu vaccine is 0.005. If 1000 persons are inoculated, find the approximate probability that: At most 2 persons suffer.
An insurance company sells $300 deductible annual automobile insurance policies to a certain category (age, driving records) for $1000.00 The insurance company has set four different accident types
the value of twitter has been growing exponentially at a rate of 150 a year. if the company was worth 0.5 million in
Why can not we just do several two sample tests like we did in the last week. In your own words explain briefly also tell us what these are and what did it mean.
A student heard that the average household watches 26.4 hours of t.v. per week, with a stand.dev. of 2.3 hours. He decided to run his own experiment and found that the average for the 58 people he surveyed was 27 hours. a) state H0 and H1 b) calculat..
Nationwide, the average time until a electric utility customer service representative answers a call is 260 second. The Gigantic Kilowatt Energy Company rnadomly sampled 30 calls and found that, on average, they were answered in 227 second with a ..
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