K.zybooks.com/zybook/MAT-240-J4373-OL-TRAD-UG.22EW4/chapter/7/section/1ooks My library > MAT 240: Applied Statistics home> 71: Hypothesis test for a population proportionE zyBooks cataklogHelp/FAQLashonda CurryCHALLENGEACTIVITY7.1.3. Hypothesis test for a population proportion.3876741891676 aray7Jump to level 1A software company is interested in improving customer satisfaction rate from the 65% currently claimed.The company sponsored a survey of 162 customers and found that 114 customers were satisfied.What is the test statistic z?Ex: 1.23 :CheckFeedback?CHALLENGE7.1.4 Excel: Hypothesis test for a population proportion.АСTIVITY4:03 AM62°F4/15/2022O Type here to searchwortDeleteCHOBeckspace1OU-D-D.

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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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why are we using the number of events=19 for the sample proportion part of the equation, instead of the actual sample proportion=0.19?
Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 475 randomly selected adults showed that 57% of them would erase all of their personal information online if they could. Find the value of the test statistic.
Q3.3 Normal, but why? A meal package for use at the space station is to be prepared by combining three separate components: protein, fruit/vegetable, and grains. Each of the components is to be randomly selected. Summary values for the caloric content for each of the components are given in the table. Component Protein (P) Fruit/vegetable (F) Grain (G) Mean (calories) 120 55 84 Stdv (calories) 6.4 Save Answer 1.0 3.6 Assume that the distributions of caloric content for each of the components are approximately normally distributed. Since the meal package consists of protein, fruit/vegetable, and grains, the total caloric content of a meal package is the random variable T, where T = P + F + G. Briefly explain why it is appropriate to say that T is approximately normally distributed. Q3.4 Probability Less than 275 Calories On your own piece of paper find the approximate probability that a randomly selected meal package will have less than 269 calories? (Draw an appropriate diagram, find a…
What is the comple solution and answer for this problem involving ANOVA?
You want to compare differences in prior arrests across ethnicity in your study, you measured ethnicity as white =0 black =1 hispanic=2, and other =3. Prior arrests was recorded as the number of prior arrests. which test would you perform to see if arrests differ across diffrent ethnic categories? A. ANOVA B. T-test
Given the population mean ? = 51 , population ???????? ????????? ? = 4 and a data set below find the z score only for 19 from the list. Data set: 12, 13, 19, 9, 4 Type the answer in hundredths places.
Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 488 randomly selected adults showed that 56% of them would erase all of their personal information online if they could. Find the value of the test statistic.
Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 455 randomly selected adults showed that 61% of them would erase all of their personal information online if they could. Find the value of the test statistic.
Please help me with both parts a and b of this question! Thank you!
Anxiety when taking math tests is a common problem. If I want to study this issue, which of the following describes the best way to find out the proportion of students who suffer from math anxiety? O Select students who have scored poorly in math classes at CCBC. Poll students as they enter campus on a randomly selected day. Talk to students randomly pulled from the list of all students. Interview students who have finals on the first day of finals week.
You want to find the prevalence of e-cigarette smoking is a given community. Which of these study designs would you use to test the hypothesis? Case-controlB. Cross-sectionalC. Cohort D. Experimental trials

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