The table below contains the periodontal status of individuals and their sex. Periodontal status refers to gumdisease where individuals are classified as either Healthy, have Gingivitis, or have Periodontal Disease (Perio).FemaleMaleTotalHealthy210811243232Gingivitis15829372519Are the events Female and Gingivitis dependent?O YesO NoPerio8739311804Total456329927555

healthy gingivitis perio total female 2108 1582 873 4563 male 1124 937 931 2992 total 3232…

Answered: The table below contains the…

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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Calculate the odds ratio of the association between having a history of hypertension and having a low birth weight infant. Low Birth Weight Normal Birth Weight Total Hypertension 8 14 22 No Hypertension 52 122 174 Total 60 136 196
In a simple random sample of 100 electronic components products by a certain method the mean lifetime was 125 hours. Assume that component lifetimes are normally distributed with population standard deviation =20 hours. Construct a 95% confidence interval for the mean battery life is
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2. Currently there are 25 secondary schools in Miri including private, technical and vocational. The numbers of teachers in each of these schools are as follows: 135 102 120 120 112 128 104 78 105 114 144 98 90 145 122 148 115 155 68 112 98 88 124 94 90 Assuming the population mean of secondary school teachers is normal, what is the probability that the mean number of secondary school teachers is less than 100?
With this information, does it seem that finding text messaging helpful in staying connected and finding voice calls helpful are independent events? Answer “yes”
Hi, requesting some help on the question in the picture please. calculation steps and explanations.
The percent of college students' marijuana use for a sample of 95,633 students is shown in the accompanying pie chart. Find the probability of each event listed in parts (a) through (d) below. Click the icon to view the pie chart. (a) Randomly selecting a student who never used marijuana The probability is %. (Round to one decimal place as needed.) (b) Randomly selecting a student who used marijuana The probability is %. (Round to one decimal place as needed.) (c) Randomly selecting a student who used marijuana between 1 and 29 of the last 30 days The probability is%. (Round to one decimal place as needed.) (d) Randomly selecting a student who used marijuana on at least 1 of the last 30 days The probability is %. (Round to one decimal place as needed.)
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This problem involves empirical probability. The table shows the breakdown of 86 thousand single parents on active duty in the U.S. military in a certain year. All numbers are in thousands and rounded to the nearest thousand. Use the data in the table to find the probability that a randomly selected single parent in the U.S. military is in the Army. Male Female Total Army 25 10 35 Navy 23 7 30 Marine Corps 6 1 7 Air Force 10 4 14 Total 64 22 86 The probability that a randomly selected single parent in the U.S. military is in the Army is (Type an integer or decimal rounded to the nearest hundredth as needed.)
A random sample of 1000 adults has the elements of the sample classified by sex (= Male or Female) and educations ( = College, high School or Elementary). The results are summarized in the contingency table below. College High School Elementary Male 130 270 140 Female 170 180 110 Find the probability that a randomly selected person who is selected from the survey members is male, given that the individual finished college.
Please answer part a-d with correct answer.

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