Inrecent Study 2006 randomlyUS Adolts' (ogc 18 or Olacr)askea toinSCICCteawerePCOPIEwhom you Cliscussed matters that arcimportant to you" The average.nomberwith agive the nomber OFthe last six months "withOflose conFidants was 2.2.Standard deriaton OF1.4(a) Findinterval For average number OFCIOSEandinterpret a 991.conFIdencecoNFidants.10) if we want to cstimate thne nombor±0.05confidence ,how large a sampleOFofcloseerrorconFidants with a morginand with 991.isOFneeded ?

Answered: Image /qna-images/answer/b03e6c04-96e5-4b92-93f5-842da0a84ad8.jpg

In a recent stody a006 randomly SCICCtea US Adolts' (ogc 18 or Olacr were PCOPIE whom yoU important nomber with a standard deriaton OF askea to give the nomber OF in the last six months "with dliscussea matters that are to you"! The average Cose conFidants was 2.2. Of 1.4 (a) Find interval For average number OF CIOSE and interpret a 99.1. coNFIdence coNFidantsS. (b) if wC want to cstimate the numbor Close coNFidants with a margin OF of confidence , how large a samPle OF ±0.05 and with 99l. crror is necded ?

In a recent stody a006 randomly SCICCtea US Adolts' (ogc 18 or Olacr were PCOPIE whom yoU important nomber with a standard deriaton OF askea to give the nomber OF in the last six months "with dliscussea matters that are to you"! The average Cose conFidants was 2.2. Of 1.4 (a) Find interval For average number OF CIOSE and interpret a 99.1. coNFIdence coNFidantsS. (b) if wC want to cstimate the numbor Close coNFidants with a margin OF of confidence , how large a samPle OF ±0.05 and with 99l. crror is necded ?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

please answer numbers 4,5,6 and 7
From the set of all triangles that are similar to the triangle ABC, similarly oriented, and inside ABC, one is selected uniformly at random. Show that its mean area is ABC.
• 20 crossroads were watched for weeks, 10 roundabouts and 10 plain intersections with 4 way stop signs, assume equal traffic for each. • 7 roundabouts had fender benders (1 each), 3 intersections had fender benders (1 each). • Write out the full hypergeometric expressions for fishers exact test to determine whether there is a difference in safety (1 sided), and calculate the P value. (You can use R fisher.test for the calculation, but write out how it is doing the calculation).
A group of researchers are studying high school students risk behvior. Among other dempgrapic charcterisitics, the students were asked how many days per week they were phisically active. In a random sample of 100 students, the mean responce was 3.75. From past studies the reseachers assumed a standard devation of 2.5 days for individual students A) what conditions need to be checked to buld a confrence interval here? B) Assuming the previous question's condition are satisfied, how is the distrubution of sample means distributed? c) Build a 95% confedence interval for the average of all students days of activity per week.
21 Suppose Pgo = 62 this means that 38% of observations greater than 62 ved t of e flag Select one: O True False Previ
None of these 12. The probubulty of a new antivual medcation successfully curing patients was found to be 0.77. If this sa buomal dustribution, about how many would you expect to be cured if 250 ill patsents recerved this medication? A 12 A 173 &.192 d. None of these
Q1.) a) The following reading were recorded by testing measurement
A and B please
A upe of capa oter has resistances that vany according normal distribuhon, and to oith a mean of goo negohns Standond deviasionot 200 megohms. A certain application specifies capacitos with resitanes of one standard deviation from the mean If too apaators are randonly chosen from a lot of capectors of this ype, What is the that both will Sats ky the specitications ? probability a.04659 b. 0-3413 c 0.6826 d os391.
49 of 2. CO 60 8 7. Fill in the table below: FiLl in the differences of each data value from the mean, then the squared lifferences. 2. I'– 1) 5. 3. -5 9. 14 7. 6. -1 25 8. 1. 49. 3) Calculate the sample standard deviation (s). 12 a) ENG 2/1 dy ins prt sc f12 delete home + backspace unu lock
I am not understanding what the (normal dist excel) info is and where these numbers come from? and I am not sure what table these numbers come from? when I look at positive z-score table at 0.9-----and go to the last one of .09 it's .8389? Confused.
I need assistance with qs 4,5,6,7,8