. The result of an English exam show a mean score of 55 and a standard deviation of 6. What percent of students scored between 43 and 61? a) 95%

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: Given these stats how many students scored a 65 or lower?

A: given: mean =68.3          standard deviation = 21.1 let x be the score of the students to find…

Q: What percent of the respondents have at least one sibling ? 59% of all respondents have fewer then…

A: Given that  # of siblings  0 1 2 3 4 5 Frequency  9 13 13 8 8 9

Q: In​ Lindsay's class, there were three students who scored 80 on a test and six students who scored…

A:

Q: b) Rachel received the following scores on the midterm and final examinations in his introductory…

A: The normal distribution is the bell shaped distribution which is centred at the mean. This is also…

Q: Section 1. IQ tests supposedly measure our intelligence. They typically are 'normed' so that they…

A: We have given that  Mean = 100 Standard deviation = 15

Q: Men Women Total Work 15 65 Not Work 23 28 51 38 ? a) Figure out the missing totals and report them…

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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: in a survey 7 out of 8 people liked cooking over washing dishes what percent liked cooking more

A: As per question, we need to find how much percentage liked cooking more. So, we need to find both…

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

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Q: What percentage of scores would be above 567?

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Q: 31 of 48% is what?

A: 31 of 48%

Q: What percentage of the people who worked were males?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 What percentage of the…

Q: The test scores for five students were 59, 60, 63, 76, and 87. How many points greater than the…

A: The mean is the average of all the values, or it is the sum of all the values divided by the number…

Q: Howard scored in the 55th percentile rank on an exam. If 400 students took the exam, how many…

A: Note:Hi there! Thank you for posting the question. To avoid plagiarism issues, we have used the…

Q: scores

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Q: 72-72.99 class has the What highest frequency percentage (%) of students got a final grade higher…

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Q: What is the frequency corresponding to a score of 8

A: We have given a hisogram in the question and we have to find the out the frequency against the score…

Q: What percentage of students guessed between 41 and 44

A:

Q: The scores on a statewide chemistry exam were normally distributed with ?=73.08 and ?=6. Gabriela…

A: Given data isMean(μ)=73.08standard deviation(σ)=6

Q: What percent of students earned an "A" grade of 90% or higher? TEST SCORES:…

A: Solution: The given data is 50, 60, 61, 63, 66, 67, 73, 82, 89 and 92. Total number of scores is 10.

Q: Roy is 4 years old and in the 69th percentile for neight in his age group. Vhat does this mean? Roy…

A: The percentile is used to measure the location of a data set.

Q: (d) What is the nonresponse rate? (e) Suggest some methods that could be used in a future survey to…

A: The purpose of a survey is to examine the opinions, behaviors, or experiences of individuals or…

Q: The mean IQ is 100 and the standard deviation is 15. What percentage of people fall between the IQs…

A: given  data, μ=100σ=15we have to find out the percentage of people

Q: Which student has a larger

A: We have given the data of Sarah and. Elaine

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: what percentage of the women did not work?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 percentage of the women…

Q: Given these stats how many students scored a 35 or lo

A: From the given histogram, The number of students corresponding with class [0, 4.7] is 3. The number…

Q: Three hundred twenty students took a test where the scores are normally distributed. Paul's score…

A:

Q: The scores on a statewide math exam were normally distributed with ?=74 and ?=8. What proportion of…

A: GivenMean(μ)=74standard deviation(σ)=8

Q: Empirical Rule Name Date 500 freshmen at Crescent High School took an algebra test. The scores were…

A:

Q: What percentage of the scores are in the shaded area?

A: It is given that the shaded area in graph.

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

A:

Q: Find the percentage of scores of the following

A: Given,μ=0s=1