3) Suppose that He lipchime(X) OF a certain madel of a calaulatoran exponca tial dishi buhion withpollowso yrars?4) What is Hhe rake paramckr and probobility distribuionmcan lipe oFof thelipcofHhe calaulator battery!

Here given life time of certain models of calculator follow an exponential distribution with mean 10…

Answered: ) Suppose thal H. lifchime 6) oF a…

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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4. Nina had the following positive numbers: 7x, 12x, 5x, 8x, x and 4x where x is a positive integer. The median of these numbers was 72. a) Show that the value of x is 12 (be careful, simple). b) Using the value of found in 'a', calculate the mean of these nu bers
27 -The standard deviation of a population of 400 volumes is 70 cm. In the case of "non-refundable selection", find how many units the sample should consist of so that the standard error of the mean is not more than 25 cm?a) 12 B) 3 C) 8 D) 18 E) 15
36 - ))The standard deviation of a population of 400 volumes is 70 cm. In the case of "non-refundable selection", find how many units the sample should consist of so that the standard error of the mean is not more than 25 cm?a) 8 B) 18 C) 15 D) 12 E) 3
Subject. موضوع الدرس. Date الموافق Q) x let by particular chicKen are Knowlen » half tength noanaly e distributed With name and standard 6 CM division 1.4 Cm what's the proeapilıy of an egg digger do 8,Cm in tength an eggo Smaller 7) figding w 2finding than 5 cm eAtling
at random from a cerlain pofulation it is Known that the probability thatno onewill be 36 or over Oo O1024 s what is the probability that exaltly one fen in the group is under 35? 11) Calculate the mean and vanance ofthe frobability distribution of the number of. ferson Over 36 and compure to the formla values for this type of distribution. ii) Given three such groups whatis the probabily that two out of tree three more than two percons 35or over2 groups have no
2.-Outcomes 1, 2, and X are marked on a die. To make inferences about the proba- bilities p1, P2, and Px of each outcome, the die is rolled three times. a) Construct the sample space and the sample distribution (of size 3). b) Obtain the distribution of T1, T2 and Tx, where T; is the frequency of results equal to i. c) Determine the distribution of Tx, its mean and its variance d) Calculate the covariance between T and T2.
Assume that the amounts of weight that male college students gain during their freshman year are normally distributed with a mean of 12 g and a standand devtion of e57kg Complete parts atvh i telon A1 male college student in randomly selected, find the probabilty that he gains between O kg and 3 kg during trostman year The probabity in (Round to four deoimal places as needed.) b. If o male college students are randonty selected, find the probability that their mean weight gain during frestman year is between 0 kg nd 3 g The probability ia (Round to four decimal places as needed) e Why can the nomal distribution be used in part (b), even though the sampie size does not exceed 307 OA Bince the distribution is of individuals, not sampie meana, the distribution in a nomal distribution for any sample sie OR Since the weight gain exceeds 30, the dietribuion of sample means is a normal distribution for any sample s OC Bince the original population has a normal distribution, the distribution…
4 - Calculate the harmonic mean of the following grouped series of grades showing the grades a student got out of 8 in 15 exams he entered. A) 3.21 B) 4,52 C) 2.31 D) 5.1 E) 3.1
5
19 - )) The standard deviation of a population of 100 volumes is 60cm. In the case of "non-refundable selection", find how many units the sample should consist of so that the standard error of the mean is not more than 20cm?a) 21 B) 17 C) 14 D) 36 E) 9
Prove that An Singelton seł normalizer caual. Set to centralizer

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) Suppose thal H. lifchime 6) oF a certain madel of a caloator pollows an exponca tial disbi buhion with * yrars? mcan lipe oF 4) What is he rak paramckr and pobobility lipe op he calaulator battery?" distribution of the