You just took the GRE (in preparation for graduate school) and received a total score in the 98th Is this a good or bad score? Why? What percentage of people received a higher score than you?

Q: Lucy took three tests. If her median score was 88, her mean score was 87, and the range was 11, what…

A: Given:Median = 88Mean = 87Range = 11

Q: Eight hundred student took a 90-point standardized examination. After the examination, the students…

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Q: Kevin scored at the 70th percentile on a test given to 9920 students. How many students scored lower…

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Q: Sales at LL Boutique decreased 10% this month compared to last month. If sales this month were…

A: Given: Sales this month were $112581. And, the sales at LL Boutique decreased 10%  compared to last…

Q: To estimate the number of bass in a lake, a biologist catches and tags 24 bass. Several weeks later,…

A: The objective is to determine the number of bass in the lake. Let the number of bass in the lake is…

Q: A middle school took all of its 6th-grade students on a field trip to see a ballet at a theater that…

A: Given that there are total 3840 seats. The students left 2496 seats vacant. This means the students…

Q: Emma’s 100-meter dash time is ranked at the 96thpercentile among all highschool sprinters in the…

A: We have to find Emma's rank.

Q: What ACT score is above 99.749% of other ACT scores?

A: Let X be the ACT scores. Assuming that ACT scores are normally distributed with mean μ =20 and…

Q: the average ( arthimetic mean ) of three  numbers is equal to 56 . if one of the numbers is 25 ,…

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Q: Bio Fach, Germany’s biggest ecologically sound consumer goods trade fair, had 21,960 visitors. This…

A: 21960 visitors is present figure. 16300 visitors is two years earlier. Increase of visitors for two…

Q: Eight hundred student took a 90-point standardized examination. After the examination, the students…

A:

Q: Anne's scores in the last four tests were 85,82,97 and 91. What must be her score in the fifth and…

A: Average is the arithmetic mean of a non-empty list of numbers. It is a single representative of that…

Q: On the Planet Zog, 50% of the population like watching sport, 60%of the population like listening to…

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Q: Yesterday Al recorded 5 data values, and the mean of those values was 90. Today he realized the data…

A: Given dataMean of 5 data values = 90Data value 80 was actually 50Mean is given by

Q: Kevin scored at the 70th percentile on a test given to 9940 students. How many students scored lower…

A: Given Kavin got 70 percentile. Total students are 9940.

Q: Carl earned grades of 62, 78, and 89 on four math tests. What is the mean of his grades?

A: The grades earned by Carl are : 62, 78 and 89 The number of grades, n=3 To evaluate : The mean of…

Q: The 1994 Northridge, California earthquake measured about 5,011,000 times as intense as a 0-level…

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Q: Kevin scored at the 60th percentile on a test given to 9920 students.How many students scored lower…

A: Given Kevin score = 60th percentile No. Of students = 9920

Q: Juan scored 10 points higer on his midterm and 47 points higher on his final than he did  on his…

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Q: How do you determine which exam score is higher relative to others

A: The normal distribution is a continuous distribution.

Q: Kevin scored at the 60th percentile on a test given to 9920 students. How many students scored lower…

A:

Q: In a study, the rate of success of initial vaccination among 330 subjects receiving the 1:10…

A: Given: Sample size of subjects (n) = 330 Sample proportion or success rate p^=0.971 Hypothesized…

Q: Kevin scored at the 60th percentile on a test given to 9780 students. How many students scored lower…

A: Given that the percentile of Kevin is 60.This means 60% of the students will have score lower than…

Q: A proportion .40 of the tagged birds were recovered. 150 were tagged in all. How many were…

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Q: Forty percent of the 25 customer who came this morning are adults and the rest are teen. How many…

A: Given: 40% of 25 customers are adults.

Q: Susan scored 82%, 75%, 77%, and 85% on the first four tests. What must she score on the fifth test…

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Q: Please make your own questions and solve it on your own about the following topics: - Standard…

A: Here, the following question is constructed- Let us consider a random variable X with mean 110 and…

Q: The high tech industry claims that women have the same chance of being hired as men. If this is so,…

A: In this question, we need to find the expected number of company to have 11 or more female…

Q: Bob scored at the 65th percentile on a test given to 9960 students. How many students scored lower…

A: x = no. of data value less than x  * 100/total no. of data values

Q: Between 2000 and 2010 the percentage of U.S. households that had cordless phones increased by 13.7%…

A: Given Between 2000 and 2010 the percentage of U.S. households that had cordless phones increased by…

Q: A student completed an exam and their z score was -1.57. What percentage of students did better on…

A: We know that Z-score = (x - mu)/sigma  mu= 0 , sigma =1   X~N( 0,1)

Q: A survey of 1179 adults nationwide  asked what irks you most about The actions of other Motorist"The…

A: Given: Number of People surveyed=1179 People voted for tailgater=796 To find: Percentage(x).

Q: In many states, a 17% risk of a car accident with a blood alcohol concentration of 0.08 is the…

A: Since, it is given that in many states, a 17% risk of a car accident with ablood alcohol…

Q: A student has test scores of 68%, 73%, and 83% in a government class. What must she score on the…

A: Note: As per Bartleby’s guideline for more than one questions only first is to be answered please…

Q: Using a random sample of 4000 TV households, a media research company found that 65.8% watched the…

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Q: .A recent news program reported that the presidential approval rate was 51% with a margin of error…

A: A recent news program reported that the presidential approval rate was 51% with a margin of error of…

Q: The mean salary for 24 factory workers is ₱12 000. How much will one additional salary of ₱37 000…

A:

Q: 11. On their most recent math test, Jenny's score was 3 less than one half of Katie's score Ili…

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

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Q: Kevin scored at the 60th percentile on a test given to 9920 students. How many students scored lower…

A: Since Kevin scored 60th percentile, it means that Kevin's score is in the top 60 % of amongst the…

Q: After six biology tests, Ruben has a mean score of 78. What score does Ruben need on the next test…

A: Note that, the required mean is 80. The total number of tests after the next test is 7.

Q: After six biology tests, Ruben has a mean score of 75. What score does Ruben need on the next test…

A: Let 'x' denote the score Ruben need to score on the next, i.e. seventh test so that his average…

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: Why are there more old animals in shelters than young ones?

A: The given question is why there are more old animals in shelters than young ones In larger animal…

Q: What score separates the top 1% of students from the bottom 99% ?

A: Given Information: Mean μ=80 Standard deviation σ=20

Q: What is the percentage of deaths that occurred in 2011?

A: We have given that the total number of fatal motor vehicle traffic crashes in the United States for…

Q: Rene scored at the 84th percentile on a test given to 12,600 students. How many students scored…

A: Given Rene scored at the 84th percentile a test given to 12,600 students.   How many students scored…

Q: After six biology tests, Ruben has a mean score of 72. What score does Ruben need on the next test…

A:

Q: Marshall took the SAT ( μ=1010,σ=200) and had a raw score of 950. What was his z-score? What was…

A: Given data,  μ=1010 σ=200 Raw score X=950