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Shoes
A running-shoe manufacturer wants to test the effect of its new sprinting shoe on 100-meter dash times. The company sponsors 5 athletes who are running the 100-meter dash in the 2004 Summer Olympic games. To test the shoe, it has all 5 runners run the 100-meter dash with a competitor s shoe and then again with their new shoe. The company uses the difference in times as the response variable.
a) Suggest some improvements to the design.
b) Why might the shoe manufacturer not be able to generalize the results they find to all runners?
the time it takes to process phone orders in a small gift shop is normally distributed with a mean of 6 minutes and a
the probability of a student getting a a grade in an economics class is .24 and that of getting a b grade is .28. what
The mean amount of a purchase at the Smith Hardware store is $23.50 with standard deviation of $5.00. The amounts purchased follow normal distribution.
the wall street journals shareholder scoreboard tracks the performance of 1000 major u.s. companies the wall street
Compute and plot the probability distribution for a sample of 5 items taken at random from a production process known to produce 30% defective items.
Find N(A), R(A), N(A^T),R(A^T). Show that the fundamental subspace theorem holds: N(A^T)=R(A)^(upside down T), N(A)=R(A^T)^(upsidedown T). Hint: Notice that the fourth row is the sum of the first three rows.
What id Steve's grade point average at graduation and what is Steve's median grade point at graduation
A health magazine presented results of a recent study that analyzed data collected by the U.S. Census Bureau in 2000. Results reveal that for both men and women in the United States, heart disease remains the number one killer, victimizing 500,000..
Determine the margin of error in estimating the population mean. a sample of 68 college students yields a mean annual income of $3248.
the probability is 33 that a message sent over a communication channel is garbled. if the message is sent repeatedly
ten determinations of percentage of water in amethanol solution yield x 0.552 and s 0.037. if mu is the true
Suppose that when a process is in control each item will be defective with prob- ability .04. Suppose that your control chart calls for taking daily samples of size 500. What is the probability that, if the probability of a defective item should..
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