Match each of the following random variables to the most appropriate distribution for that randomvariable, among those you studied in this class.The number of expressed train in a group of[ Choose ]50 trains that are either normal or expressedThe number of expressed train arrived in a[ Choose )train stationThe waiting time between two expressed[ Choose ]trains at a train stationThe number of normal train arrives in a train[ Choose ]station until the first expressed train came in

Binomial Distribution Binomial distribution is a discrete distribution. It consists of two outcomes…

Answered: Match each of the following random…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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SAT scores in one state is normally distributed with a mean of 1487 and a standard deviation of 104. Suppose we randomly pick 59 SAT scores from that state. a) Find the probability that one of the scores in the sample is greater than 1480.
the amount of money spent by lunch time cusomers at a deli has a population mean 533.7 and population standard deviation 129.4 in a random sample of 45 lunchtime customers, find the probability that the sample average spent is between 490 and 570
If x represents a random variable with mean 137 and standard deviation 16, then the standard deviation of the sampling distribution of the means with sample size 64 is 2. True O False
3. Let Y,,. , Y, be a random sample from a normal distribution with mean 30 and standard deviation 3. What is the probability the largest observation is greater than 30?
BIrth weights of babies born to full-term pregnancies follow roughly a normal distribution. At Meadowbrook Hospital, the mean weight of babies born to full-term pregnancies is 7 pounds with sa standard deviation of 14 ounces. Dr. Watts (all four full-term pregnanacies) coming up during the night. Assume that the birth weight of these four babies can be viewed as a simple random sample. What is the probablility that all four babies will weigh more than 7.5 pounds?
Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 70 tons of coal into each car. The actual weights of coal loaded into each car are normally distributed, with mean u = 70 tons and standard deviation o = 1.4 ton. n USE SALT (a) What is the probability that one car chosen at random will have less than 69.5 tons of coal? (Round your answer to four decimal places.) (b) What is the probability that 30 cars chosen at random will have a mean load weight x of less than 69.5 tons of coal? (Round your answer to four decimal places.) (c) Suppose the weight of coal in one car was less than 69.5 tons. Would that fact make you suspect that the loader had slipped out of adjustment? O Yes O No Suppose the weight of coal in 30 cars selected at random had an average x of less than 69.5 tons. Would that fact make you suspect that the loader had slipped out of adjustment? Why? O Yes, the probability that…
Average temperatures in May in a certain city are normally distributed with a mean of 70 degrees and a standard deviation of 6 degrees. If one random day in May is selected, what is the probability that the temperatures will be above 85 degrees?
The amountof cashew nuts per packet (?), sold by a company,can be modelled usinga normal random variable with a mean of 115.0 grams and a varianceof 4.0 grams. Determine the probability that the amount of cashew nuts, in a randomly selected packetsold by this company,is: (a)more than 113grams; (b)between 117.5grams and 120grams.
An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 130 lb and 181 lb. The new population of pilots has normally distributed weights with a mean of 137 lb and a standard deviation of 34.8 lb. if 35 different pilot are randomly selected find the probability that their mean weight is between 130 lb and 181 lb
İs it true ore false?

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