A group of children played a balloon dart game at the county fair. The children took turns at the game, and the first 9 players scored 230,540, 420,430,540, 560, 275,50,250 Joey is the 10th player, and his score is recorded with the first 9scores after his turn. If Joey wants his score to be higher than the 70th percentile of all 10 scores, at least how many points does Joey need to score?

Q: A certain test is worth125 points. How many points (rounded to the nearest point) are needed to…

A: A certain test is worth125 points.

Q: In 2016 the Better Business Bureau settled 77% of complaints they received in the United States.…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: Sally just received her SAT results. Her SAT mathematics score was 600 and is in the 74th…

A: The score is 600 and it is the 74th percentile.

Q: If the mean of five values is 10.2 and four of the values are 14, 6, 8, and 11, find the fifth…

A: Solution-: Given data (xi): 14,6,8,11,x Mean=10.2 We want to find fifth value (x) =?

Q: Yosef bought an assortment of socks. 5/7 of the socks were orange. 1/4 of the remaining socks were…

A: Fraction:  It is a small  part of  something or, In other words, a numerical value  that is not a…

Q: The histogram below gives the length of service of members of the Department of Chemistry at a…

A: Given:

Q: 00 subjects were studied and 120 of them expressed a preference for brand x, what percentage…

A: The 200 subjects were studied; n=200 120 of them expressed a preference for brand x; x=120

Q: (a) Identify the null and alternative hypotheses. (b) Determine if the sample size is large enough…

A: The following information is provided: The sample size is N=631N = 631, the number of favorable…

Q: Select the best response. Paired sample t-test focuses on data in the: A. first score in the pair…

A: In paired t test, means of two related groups are compared.

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: Helga scored in the 70th percentile rank on an exam. If 300 students took the exam, how many…

A: Given: percentile rank of Helga: 70th           total number of students who took exam: 300 students…

Q: condition. Find the lower cutoff score (number of berries which will go for juice).

A: The z score can be calculated as: z=x-μσ The required z score that is associated with the bottom…

Q: A person scored in the bottom 33% in a test. If the test scores are normally distributed then the…

A:

Q: YOU ASKED 50 COLLEGE STUDENTS HOW MANY PETS THEY OWN. WHAT IS NOT A POSSIBLE SCORE FOR A RANGE FOR…

A: According to the provided information, The number of pets that any of the college student own should…

Q: A research firm claims that the distribution of the days of the week that people are most likely to…

A: The question is about categorical data analysis.Given :

Q: Two math workshops were organized by the Math club of the school. The first workshop was attended by…

A: The operator "∩" denotes the intersection of sets. For example: A∩B denotes the set which contains…

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: bookstore found out that 23% of their customers buy a book, 34% of their customers buy 2, and 39%…

A: Given : A bookstore found out that ; 23% of their customers buy 1 34% of  customers buy 2 books 39%…

Q: In a crop of blueberries, there will be an average of 6500 berries with stdev = 318 %3D berries. The…

A: Given : Mean , μ= 6500 standard deviation, σ = 318

Q: What is the mean of the data: 4,11,9,10,4

A: We have to find out given mean..

Q: scores

A:

Q: 1. The following data are the scores of the 15 Grade 8 students in their Mathematics exam. 30 14 18…

A: To find: Mean Median Mode Formulas: Meanx=∑xn , n=Total number Median = Middle Value of the Ordered…

Q: In Music, Linda scored 70%, and her score was at the 85th percentile.  In Art, Linda scored 95%,…

A: It is given that the stated person's scores (in percentage) in Music and Art are 70% and 95%…

Q: student wants to know his average homework grade for the first half of his math class. There were 7…

A: Given data, 100,90,95,89,92,85,95 What is the population mean of his homework grades?

Q: Allstate claims 92% if it's customes are happy with their service. You randomly call 57 customers…

A: From the given information we conduct Z test for proprtion.

Q: A researcher is interested in determining if sleeping more hours the night before an exam will…

A: It is wanted to be determined by the researcher whether sleeping more hours the night before a test…

Q: Rafael has scored 81, 77, 60, 71, and 90 on his previous five tests. What score does he need on his…

A:

Q: The proportion of commuters on PSU – Berks campus is purported to be 65%. A professor believes this…

A: Given P0=65% = 0.65 Let X = Number of commuters on PSU  X = 200 n = 300

Q: Suppose that 19% of all athletes in a sport use a banned drug. A test is available that detects 88%…

A:

Q: A recent year was randomly picked from 1985 to the present. In that year, there were 2,052 Hispanic…

A: Public university:Sample size Number of Hispanic students Community college:Sample size Number of…

Q: A local, family-owned restaurant also gathered data for two weeks of orders.  The following set of…

A: Given that: 82, 81, 65, 62, 86, 81, 83, 62, 81, 81, 68, 71, 85, 62, 87

Q: ored 80,91,79,86, and 84 on his previous five tests. What score does he need on his next test so…

A: Given: Ored 80,91,79,86, and 84 on his previous five tests. What score does he need on his next test…

Q: Raymond wants to estimate the percentage of parents that use cloth diapers. He asks a randomly…

A: According to the provided information, The data set will represent the collection of response…

Q: The number of hours per week that the television is turned on is determined for each family in a…

A: Given information- Mean of the data = 35 hours Median = 31.2 hours Sample size = 24 families We have…

Q: In a statistics activity, students are asked to spin a penny and a dime and determine the proportion…

A: Please see the attachment.......

Q: Nicotine content was measured in a random sample of 22 cigarettes. Is there any outlier in this data…

A: Outliers are the data points which deviate from other data points or does not follow the common…

Q: Lionel has just gone grocery shopping. The mean cost for each item in his bag was $3.19. He bought a…

A: Given info: The mean cost for each item in his bag was $3.19.

Q: 2. What conditions must be met for the hypothesis test to be valid? JA. There must be at least 10…

A: It is given that Sample size n = 215 Number of categories k = 7 To test that whether that…

Q: The table below shows the grades of the 20 students of a martial arts class. There are three grades:…

A: Given, the grades of the 20 students of a martial arts class. There are three grades:…

Q: Here are 11 numbers in sorted order. -49, -45, -42, -37, -35, -35, -28, -25, -25, -21, -19 What is…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.