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Billiard ball A is moving in the y-direction with a velocity of 1.4 m/s when it strikes ball B of identical size and mass initially at rest. Following the impact, the balls are observed to move in the directions shown. Calculate the velocities vA and vB which the balls have immediately after the impact. Treat the balls as particles and neglect any friction forces acting on the balls compared with the force of impact. Use the 1.4 m/s not a generic solution.
in a recent survey concerning company sales and net earnings 15 companies responded. data analysis was computed letting
After a bumper crop, a mushroom grower hypothesizes that mushrooms will remain at the average wholesale price of $1 per pound. State the null hypothesis and the alternative hypothesis.
Jill constructs a test to measure a personality state. The test consists of multiple items which sum up to indicate the degree of the trait that is present.
Using your own words, what is statistical variability? Why is it important for researchers to understand the variability in their data?
A company has just manufactured 1295 CDs, and 492 are defective. If 10 of the CD's are randomly selected for testing, what is the probability of the entire batch will be accepted
Write down the probability distribution of X, the insurance company's annual gain from such a policy (i.e., the amount of money made by the insurance company from such a policy).
starting positions for business and engineering graduates are classifies by industry as shown in the previous
If the pairing is done at random, what is the probability that there are no white-black roommate pairs?
find the test statistic p-value and critical value. round to 3 decimal places. claim the mean iq score of statistics
Assume that x has a normal distribution, with the specified mean and standard deviation. Find the indicated probabilities.
It is suspected that the mean turnover has changed and is not 6.0. Use the .05 significance level.
A firm engaged in manufacturing undergarments for gents employs 100 male and 144 female workers. The average production per day of a male worker is 60 items with a variance of 15 items, and that of a female workers is 65 items with a variance of 1..
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