C. Find the expected number who eat breakfast at least three times weekly for each gender In a study, a random sample of community college students was asked whether they ate breakfast three or more times weekly. The data are reported by gender in the table. Complete parts a through e.**Table of Breakfast Consumption:**| Eat breakfast at least 3 times weekly | Females | Males | Total ||---------------------------------------|---------|-------|-------|| Yes | 206 | 94 | 300 || No | 91 | 48 | 139 || Total | 297 | 142 | 439 |**a. Row, Column, and Grand Totals:**The table displays the number of students who eat breakfast three or more times weekly, separated by gender. The totals of each row and column are included.**b. Percentage of Students:**Calculate the percentage of students overall who eat breakfast at least three times weekly:\[ \text{Percentage} = \left(\frac{300}{439}\right) \times 100 = 68.3\% \](Rounded to one decimal place.)**c. Expected Numbers by Gender:**Determine the expected number who eat breakfast at least three times weekly for each gender.The expected numbers are calculated using proportions based on the total sample size:- Expected females: \[ \left(\frac{297}{439}\right) \times 300 \]- Expected males: \[ \left(\frac{142}{439}\right) \times 300 \]Round to two decimal places as needed.

Here given contingency table and complete the table

Answered: Find the expected number who eat…

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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2. A contractor on the Eastern Corridor road makes a large purchase of industrial cement from Ghacem. Each bag of this industrial cement is supposed to weigh 94 pounds. To see if he is getting his money's worth, the contractor weighs 10 randomly selected bags and gets the following weights (in pounds): 94.1, 93.4, 92.8, 93.4, 95.4, 93.5, 94.0, 93.8, 92.9, 94.2 (a) What are the appropriate null and alternative hypotheses to be tested? (b) State the assumption that is necessary for performing the test. STAT 223 EXERCISE Page 1 of 2 RM-GROUP (c) Calculate the p- value of the test. Perform the test at a significance level of a = 0.1.
Adela Noriegam, a researcher wants to determine how employee salaries at a certain company are related to the length of employment, previous experience, and education. The researcher selects eight employees from the company and obtains the following data: Employee Salary,y Employment (in yrs), x1 Employment (in yrs), x2 Employment (in yrs), x3 A 57310 10 2 16 B 57380 5 6 16 C 54135 4 1 12 D 56985 6 5 14 E 58715 8 8 16 F 60000 20 0 12 G 59400 9 4 18 H 60720 15 7 17 What is the regression equation? Leave your answer in 2 decimal places Y = ()+() +() +
On a youth soccer team 3 out of 12 team members have played in previous years. Based on this information, if 150 kids are in the youth soccer league, then how many could be expected to have played the year before?
Determine the number of excess death based on the information below. Expected Death 1,100 Actual Deaths 1,300 Covid Deaths 30
The access code for a garage door consists of three digits. Each digit can be any number from 1 through 7, and each digit can be repeated. Complete parts (a) through (c). (a) Find the number of possible access codes. (b) What is the probability of randomly selecting the correct access code on the first try? (c) What is the probability of not selecting the correct access code on the first try?
A Statistics instructor wishes to know the average age (in month) of his 200 students. He decides to choose 25 students from the class and ask them for their age. All 200 names are put in a hat and 25 names are then chosen at random (without replacement). The average age of the students chosen is observed to be 231 months. The group of 25 students is known as what?
As part of a statistics project, a teacher brings a bag of marbles containing 700 white marbles and 300 red marbles. She asks her students to determine how many red marbles are in the bag without counting them.A student randomly draws 100 marbles from the bag. Of the 100 marbles, 33 are red.The target population consists of The 100 marbles drawn by the student The 1000 marbles in the bag None of the above The 33 red marbles drawn by the student The 300 red marbles in the bag The sample consists of The 1000 marbles in the bag The 100 marbles drawn by the student The 33 red marbles drawn by the student None of the above The 300 red marbles in the bag Based on the sample, the student would estimate that ------ marbles in the bag were red.
According to an almanac, 70% of adult smokers started smoking before turning 18 years old. If 200 adult smokers are randomly selected, how many would we expect to have started smoking before turning 18 years old?(a) We would expect about _________ adult smokers to have started smoking before turning 18 years old. (type a whole number)
An Internet banking system uses passwords that are six characters, and each character are one of the 26 letters (a – z) or 10 digits (0 – 9). The first character must be a letter. The passwords are not case-sensitive. Determine the proportion of passwords that begins with a vowel or ends with an odd number.

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