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Question: Suppose the average speeds of passenger trains traveling from Newark, New Jersey, to Philadelphia, Pennsylvania, are normally distributed, with a mean average speed of 88 miles per hour and a standard deviation of 6.4 miles per hour.
a. What is the probability that a train will average less than 70 miles per hour?
b. What is the probability that a train will average more than 80 miles per hour?
c. What is the probability that a train will average between 90 and 100 miles per hour?
Quantitative Analysis (using the SPSS data set posted on Blackboard), Describe the characteristics of respondents (frequencies, descriptive ?statistics) and State null and alternative hypotheses
Explain why you would choose these two? What did you learn about correlation and causation while completing the course? Differentiate between correlation and causation.
what is the probability that a random variable has a value between 1.75 and 7.35 if that random variable has a uniform
assume that adults have iq scores that are normally distributed with a mean of 100 and a standard deviation of 15.find
A rover vehicle designed for use on other planets and moons is shown in Figure DP7.12 (a) [21]. The block diagram of the steering control is shown in Figure DP7.12 (b), where
carter motor company claims that its new sedan the libra will average better than 21 miles per gallon in the city.
An electric carrier that automatically follows a tape track laid out on a factory floor is shown in Figure P9.16 (a) [15]. Closed-loop feedback systems are used to control the guidance and speed of the vehicle.
la magnet schools will accept students whose iq scores are in the 99th percentile only. if iq scores have a normal
Find the probability that this shuttle component functions successfully if n = 2. - Find the probability that this shuttle component functions successfully if n = 4.
In what interval would you expect most peoples body temperatures to be? Explain.- What fraction of people would be expected to have body temperatures above 98.6°?
Using data provided, test if there is a difference between means at alpha =.05.
assume that a quality characteristic is normally distributed. an x-bar control chart is constructed with 3 sigma
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