A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like mustard on their hot dogs and 60 people like both. What proportion of those surveyed like ketchup or mustard on their hot dog?

Q: On a recent survey, 60% of those surveyed indicated that they preferred walking to running. If 540…

A: We will use basic arithmetic to solve this question. Just some knowledge of percentages is required…

Q: A recent study of 230 people in a small downtown neighborhood found that 66 had medical insurance…

A:

Q: A company conducted a marketing survey of its clientele and found that 160 own an iPhone and 89 own…

A: Given that, A company conducted a marketing survey of its clientele and found that 160 own an iPhone…

Q: A survey of 150 students found 120 like study hall, 70 like gym class, and 50 like both. How many…

A:

Q: A survey shows that 3/5 Australian adults are overweight and 1/10 Australian adults are obese. What…

A:

Q: survey was given to 9090 high school students. They were asked if they preferred fiction or…

A: Given query is to find the percent of students in the survey,  prefer outdoor activities given they…

Q: A survey of 225 residents of a neighborhood indicates that 135 of them are in favor of having a…

A: Given, total residents = 225 135 are in favor of block party.

Q: In a class with 25 student there are 6 student very talentet in the subject of art. What percentage…

A:

Q: At a local Dunkin’ Donuts, a survey showed that out of 1,090 customers eating lunch, 327 ordered…

A:

Q: Of the 300 visitors polled,O liked to ski or snowboard. (Type a whole number.)

A:

Q: Which types of car were driven by more than 623 respondents in the survey?

A: Here use proportion from given pie chart And calculate no of people drive that type of car

Q: In a survey of middle school students, 70% play basketball and 40% play basketball and football. Of…

A:

Q: . In Exton School, 60% of the boys play football and 36% of the boys play ice hockey. Given that40%…

A: Let us define the events as, A: Boys who play football.B: Boys who play ice hockey. From the given…

Q: in a survey of 80 fifth grade students who play soccer,basketball,or both,60 students play and 40…

A: Form the given information, In a survey of 80 fifth grade students who play soccer, basketball or…

Q: In a sample of 45 men, 27 said that they had less leisure time today than they had 10 years ago. In…

A:

Q: In a survey of 1536 adults, 36% responded "yes" to the survey question. How many adults answered…

A: From the provided information, Sample size (n) = 1536 36% responded “Yes” to the survey question.…

Q: If 90% of the athletes who test positive for steroids in fact use them, and 10% of all athletes use…

A:

Q: In a village actually invaded by anthrax, 65% of the gouts were attacked and 90% have been…

A:

Q: 36% of the children in a school have a dog, 24% have a cat, and 12% have a dog and a cat. What…

A: The percent of those who have a cat also have a dog is, PDog|Cat=PDog ∩…

Q: There are 50 jelly beans in a jar. If 7 of them are red, and 23 are black, what percentage of the…

A:

Q: You survey 100 people and find that 75 of them would prefer to work at home to some extent. When…

A: Given: You survey 100 people and find that 75 of them would prefer to work at home to some extent.…

Q: A survey of 800 nurses yielded the following information: 430 were health club members, 575 were…

A: Number of nurses in a survey = 800 Number of health club members = 430 Number of smokers = 575…

Q: A survey of Hoosiers found that 57% are Pacers fans, 44% are Colts fans, and 35% are Pacers fans but…

A: Let P= Pacer fans  C= Colt fans So, P(P)= 57% = 0.57  P(C)=44%=0.44 So, 57% - 35%=22%= 0.22 are…

Q: A survey of 800 nurses yielded the following information: 430 were health club members, 555 were…

A: Given data, Total number of nurses=800 in which Health club member nurses =430 Smokers nurses =555…

Q: among the 1018 respondents, 428 said that pesticides are "not at all harmful."  What percentage of…

A: Total number of respondents = 1018Total number of respondents said that pesticides are "not at all…

Q: In a survey of 1000 students it was found that 840 own a cell phone, 450 own an MP3 player and 370…

A:

Q: In a sample of 47 men, 36 said that they had less leisure time today than they had 10 years ago. In…

A: We have to perform test for difference in two proportion.

Q: if 540 people preferred walking and 900 people were surveyed how many people preferred running.

A: Given,    People preferred walking = 540 people surveyed are 900.   Calculations,    900 - 540 = 360

Q: An article in the Archives of Internal Medicine reported that in a sample of 224 men, 73 had…

A: Here 224 men and 232 women are selected randomly. 73 of the men had elevated cholesterol levels,…

Q: In a fertility clinic, 40% of the women patients did not become pregnant, 30% had a singleton birth,…

A:

Q: Suppose 20% of cars are sportscars and that 30% of sportscars are red, and that 25% of all cars are…

A:

Q: There are 12 boys in a class of 30 students. What percentage of the class is boys?

A:

Q: A sobriety test is 96% accurate. Suppose 2500 drivers were pulled over on suspicion ofintoxication,…

A: Given that the sobriety test is 96% accurate, 2500 drivers were pulled over on suspicion of…

Q: You have a bag of marbles that contain 292 green, 239 red, 76. Blue, and 209 yellow ones. What is…

A: You have a bag of marbles that contain 292 green, 239 red, 76. Blue, and 209 yellow ones. What is…

Q: I need help with this problem

A: To determine the number of students in the class.

Q: An interview of 50 women in a residential subdivision reveals that 21 are gardeners while 32 are…

A: given: an interview of 50 women in a residential subdivision reveals that 21 are gardeners while 32…

Q: In a survey of 3063 adults aged 57 through 85 years, it was found that 80.8% of them used at least…

A: Number of adults surveyed, n = 3063 And proportion of them used at least one prescription…

Q: A company conducted a marketing survey of its clientele and found that 215 own an iPhone and 106 own…

A: It is given that 215 of the clients own an iPhone and 106 own an iPad. If 19 clients own both an…

Q: In a survey of 600 students in a school, 150 students were found to be taking tea and 225 taking…

A:

Q: On a recent survey, 60% of people said they preferred walking to running. If 540 people liked…

A: Number of people who liked walking = 540 Percentage of people who like walking = 60%

Q: In a series of houses actually invaded by smallpox, 70% of the inhabitants are attacked and 85% have…

A: Suppose A & B be two events. Then we know, (A∪B)=(A)+(B)-(A∩B). Consider from the problem that,…

Q: A company conducted a marketing survey of college students and found that 191 own a bicycle and 74…

A:

Q: Suppose that the result of a public opinion poll shows that just 10% of people would be willing to…

A:

Q: What is the proportion of free apps available in the App store?

A: A survey of Android Apps bought in the App store, indicated that 50% were related to music, 30%…

Q: In a group of 50 children, 11 cannot swim. What percentage can swim?

A: Givenno.of children in a group=50no.of children cannot swim=11

Q: Out of 500 people in a room, 200 of them are wearing red shirts. Of the people wearing red shirts,…

A: Total number of people in the room n= 500 People wearinng red shirt, r=200

Q: Of all the species in the world, 4 out of every 5 are insects. What percentage of species are…

A:

Q: In a survey of 3343 adults aged 57 through 85​ years, it was found that 83.3%of them used at least…

A: Obtain the number of the 3343 subjects used at least one prescription medication. The number of the…

Q: According to a survey, 30 adults in Makati watch an average of 4 hours of television per day, and 30…

A: Use formula of average

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.