We made a survey with the number of people in a household and the number of times they get sick throughout the year. In a household, 3 people get sick once, 4 people get sick twice, 2 people

Q: In a school band of 24 students, 9 students play brass instruments. What percent of the members play…

A: The total students in the and is 24. The number of students that play brass instruments is 9.

Q: in the U.S, 37% of households have dogs, 30% of households have cats, and 7% of households have both…

A: Addition rule of probability:Addition rule of probability indicates the happening either of the…

Q: Approximately 10% of students have a composite score below what level

A: If X is the composite score of the students, then we need to search for a x, such that P[X≤x]=0.1.

Q: The failure rate for taking the bar exam in Philadelphia is 41%.  If 375 people take the bar exam,…

A: Given that, The failure rate for taking the bar exam in Philadelphia is 41%  i.e. probability, p =…

Q: What fraction of survey respondents identified themselves as Republicans? What fraction of survey…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks Given :

Q: 5.) Ms. Cyrus has 64 songs on her phone. Two- fifths of the songs are R&B songs. The rest are jazz.…

A:

Q: The list shows the number of students registered for different sessions of summer sports camps. 258,…

A: Solution: The objective is to find the range of the given data

Q: 5. What percent of the sophomores watch TV for at least 15 minutes per night?

A: Following statistics is given for TV time   Minimum = 0 minutes Q1 = 15 minutes Q2 = 60 minutes Q3 =…

Q: owing three football games to televise on the Sat giving abama versus Aubum, Georgia versus Georgia…

A: Q

Q: Ted identified the top five receivers available in the game by the number of receiving yards. Player…

A:

Q: On a hockey team, there are 14 players. The captain of the team scored on the team, and less than…

A: Given : There are 14 players Captain of the team scored 35 goals last year, which is more than 10…

Q: The state transportation commission counted cars traveling east and west across a toll bridge. The…

A:

Q: In a shipment of 500 light bulbs, 25 of them were broken. What percentage of the light bulbs were…

A: Given ,  In a shipment of 500 light bulbs , 25 of them were broken . We have to find the  percentage…

Q: Four out of five students got As in math. What percent of students got As in math?

A: From the Percentages

Q: If 55% of the books have been signed out, what percent of the books have not been signed out?

A: Given that: According to the question, 55 % of the books have been signed out. Signed  out=55…

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: A company manufactures eyeglasses for different retailers. In March 2010, they tested to see how…

A: The random variable is the number of lenses that were scratched. Here, n=21 and p=0.175.

Q: Martha Quinn is interested in the proportion of fast to slow songs she will play today.  She takes…

A: In this method of selection, each song have equal probability of getting selected and the selection…

Q: A survey of 800800 nurses yielded the following information: 430430 were health club members, 575575…

A: Given :  A survey of 800800 nurses yielded the following information: 430430 were health club…

Q: You plan to make a survey of 200 people. The plan is to talk to every 10th person coming out of the…

A: A sample is a sub part of population and it is selected randomly such that it is representative of…

Q: Keiko asked 15 students how many courses they have taken so far at her college. Here is the list of…

A:

Q: find 4th percentilefor given data  12,25,32,6,42,16,18,19,15,23,24,28,29,45,6,23

A:

Q: If a child psychologist wanted to determine if there is a relationship between gender of a child and…

A: Chi-square test of independence should be used here.

Q: A recent study of young executives showed that 30 percent run, 20 percent bike and 12 percent do…

A: Note: Hi there! Thank you for posting the questions. As there are several independent questions,…

Q: A 20-minute consumer survey mailed to 500 adults aged 25-34 included a $5 Starbucks gift…

A: Given: Total adults = 500 A 20-minute consumer survey mailed to 500 adults aged 25-34 included a $5…

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: Sarah is conducting a research only study in which one group of participants consume one cup of…

A: The study is about assessing attention levels of these participants.

Q: Brad and Lena are recording their classmates' eye color for a statistics assignment. In Brad's…

A: Brad's class: green-eyed students = 3 total students = 25 ratio(A) = 325     Lena's class:…

Q: The chart shows the percent of people that use each different type of browser. If 8,000 people were…

A: To Determine: how many selected chrome? Given: we have 8,000 people were surveyed. Explanation: we…

Q: A cafeteria manager surveyed a random sample of students at a school to determine which of 2 meal…

A:

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

A:

Q: How many scores are in the population?

A: here given, SS = 328 variance = σ2 = 8

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: 35 out of 125 students are in the marching band. What percent of students are in the marching band?

A: Given: 35 out of 125 students are in the marching band.

Q: Find the weighted mean of four test results, 65, 89, 105 and 101, where the first test counts 22%,…

A: Given:   x weight 65 22% 89 32% 105 17% 101 29%

Q: Julia ordered a set of beads. She received 90 beads in all. 36 of the beads were blue. What…

A: The total number of beads is 90.

Q: A group of eight individuals with high cholesterol had their cholesterol levels measured before the…

A: 1) It is given that, A group of 8 individuals with high cholesterol levels was measured before the…

Q: Jason reads a report that says 80% of U.S. high school students have a computer at home. He believes…

A: Given- p=claimed proportion =80%=0.8   and   n=sample size=60 To check- The conditions are satisfied…

Q: In last year, five ranndomly selected students took a math aptitude test before they began their…

A: a) Excel Procedure: Enter X and Y in Excel>Data>Data Analysis> ‘Regression’>Select Y…

Q: Researchers asked 250 families whether or not they were homeowners and how many cars they had. Their…

A: Number of families having two or more cars       = 95 + 85      = 180 So percentage of families…

Q: In a sample of 169 students, 16 said they have donated blood. What percent of the students have…

A: Given that, In a sample of 169 students, 16 said they have donated blood.

Q: A survey was conducted in a section on which subject they like best. 55 likes Math, 50 likes…

A:

Q: 2400 people attended a basketball game. 696 of the people attending supported the home team, while…

A:

Q: if the 90% Ci for the population mean is ( -2.58, 7.54) what is the sample mean

A:

Q: how many classes are there and what is the class width? what is the what is the percentage of…

A: From the given frequency table find # classes = ? width =? x =# of hours played video game P(…

Q: In a classroom, 12 students are wearing glasses, while six or not. What percent of the students are…

A: Given data: Number of student with glasses is p=12. Number of student without glasses is q=6.

Q: how do you determine how many observations are in the first class of a stem and leaf chart

A: The objective is to infer the no. of observations (or frequencies) in the stem-and-left plot.

Q: Sony wants to administer a satisfaction survey to its current customers. Using their customer…

A: solution : the above question answer D is correct answer : Simple random

Q: On a quick survey, respondents had to pick their favorite dessert from ice cream, cake, chocolate,…

A: Let's find.