The Downitawn Parking Authority of Tampa, Florida, reported the following information for a sample of 234 customers on the numberof hours cars are parked and the amount they are charged.Number of Hours FrequencyAmountCharged$ 412523851456812143206141771936822234PaureClick here for the ExcelData Filea-1. Convert the information on the number of hours parked to a probability distribution. (Round your answers to 3 declmel places.)ProbabilityHours137Next5 of 10Prevpe here to search a-2 Is this a discrete or a continuous probability distribution?O DiscreteO Continuousb-1. Find the mean and the standard deviation of the number of hours parked. (Do not round the Intermediate calculations. Roundyour final answers to 3 declmal places.)MeanStandarddeviationb-2. How long is a typical customer parked? (Do not round the intermediate calculations. Round your final answer to 3 decimal(sappidhoursఎం; pax.ed s +2aO;2n2 (eaidh ఇq lc. Find the mean and the standard deviation of the amount chargec. (Do not round the Intermediate calculetions. Round your finelNextof 10KPrev

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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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GlenBluss Community College has a population mean GPA is 2.82 with population standard deviation of 1.07 for all students who have ever attended the college. Find the probability a student at random will have a GPA over 3.24. __________Round to 4 decimal places.If 5 students are chosen at random, what is the probability their mean GPA will be more than 3.24?__________% Round to the nearest whole percent.
A normal probability plot of data from a sample of a population is shown to the right. Assess the normality of the variable under consideration. 3- d: Choose the correct answer below. Que OA. The relationship is not linear, so the variable under consideration is probably not normally distributed. OB. The relationship is approximately linear, so the variable under consideration is probably normally distributed. OC. The relationship is not linear, so the variable under consideration is probably normally distributed. on 1 (1 on 5 (0 OD. The relationship is approximately linear, so the variable under consideration is probably not normally distributed. on 9 (1 re: ANormal score Ś 10 15 20 7
Find the mean, variance, and standard deviation for each of the values n of p and when the conditions for the binomial distribution are met. Round your answers to three decimal places as needed. n=94, p=0.66 find the mean, variance, standard deviation.
Find the required probability. (Round your solution to 4 decimal places)
Q11
f Suppose that you take an exam with 391 possible points and are told that that mean score is 270 and that the standard deviation is 22. You are also told that you got 346. Did you do well on the exam? Explain your answer. Determine the z-score and interpret this score. A score of 346 has a z-score of. This is standard deviations the mean for this exam. The this score is the mean, this is a score. (Round to two decimal places as needed.) standard deviations states that approximately 99.7% of the observations lie within standard deviations of the mean. Sine
please solve: G and H ch 5
The t test for the mean difference between 2 related populations assumes that the population sizes are equal. sample variances are equal. population of differences is approximately normal or sample sizes are large enough. All of the above.
Find the standard deviation for the group of data items. 5, 6, 7, 7, 8, 9 The standard deviation is (Simplify your answer. Round to two decimal places as needed.)
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Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 240 feet and a standard deviation of 48 feet. Let X = distance in feet for a fly ball. If one fly ball is randomly chosen from this distribution, what is the probability that this ball traveled fewer than 186 feet? (Round your answer to four decimal places.) ch6#4
K Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a standard deviation o=20. Find the probability that a randomly selected adult has an IQ between 89 and 121. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ between 89 and 121 is (Type an integer or decimal rounded to four decimal places as needed.)

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