Answer the question by recalling significantly low or high values based on standard deviation. Focus groups of 11 people are randomly selected to discuss products of the Yummy Company. It is determined that the mean number (per group) who recognize the Yummy brand name is 7.8, and the standard deviation is 0.97.  Would it be significantly low to randomly select 11 people and find that fewer than 4 recognize the Yummy brand name?

Q: Consider a sample with a mean of 500 and a standard deviation of 100. What are the z-scores for the…

A: The mean is 500 and the standard deviation is 100.

Q: The year Ryan graduated college, he got a job as an entry-level software engineer working for a firm…

A: Given,mean(μ)=$70,000Standard deviation(σ)=$5300Ryan's starting salary(X)=$72,000

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A:

Q: Refer to the Baseball data: 1) At the 0.05 significance level, can we conclude that there is a…

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A: From the provided information, Sample size (n) = 150 Sample mean (x̅) = 21.4 Sample standard…

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Q: In 1955, Life Magazine reported that the 27 year-old mother of three worked, on average, an 75 hour…

A: Given Information :  In 1955, Life Magazine reported that the 27 year-old mother of three worked, on…

Q: What is the z-Score of a value of 27, given a set mean of 24, and a standard deviation of 2? Submit…

A: Given,Mean μ = 24Standard deviation σ = 2X = 27z-score = ??

Q: The year Ali graduated college, he got a job as an entry-level software engineer working for a firm…

A: Solution

Q: Use the following scenario to answer the next 6 questions. An engineer has designed a valve that…

A: From the provided information, Sample size (n) = 30 Sample mean (x̅) = 4.8 Sample standard deviation…

Q: Do political science classes require the same amount of writing as history classes? The 50 randomly…

A: Given that, Sample size of political science classes n1=50 Sample size of history classes n2=40…

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Q: Calvin, president of the company that makes Cocoa Bombs cereal, claims the weight of a box of Cocoa…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Ccording to researchers, the mean lengtn of imprisonment for motor-venicle-theit offenders in a…

A: Solution: Given information: n= 100 Sample size  x= 16.4 months Sample mean μ=15.8 months…

Q: Nationally, patients who go to the emergency room wait an average of 5 hours to be admitted into the…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: You may need to use the appropriate technology to answer this question. Suppose Michigan State…

A: Givensample size(n)=100Mean(x)=51286standard deviation(s)=5200α=0.01

Q: In designing a work desk, it is found that males have sitting knee heights with a mean of 21.2 in,…

A: From the provided information, Mean (µ) = 21.1 Standard deviation (σ) = 2.2

Q: The number of hours worked per week for a sample of ten students is shown below. Student Hours 1 2…

A: Note- As per our policy we can answer the first 3 sub-parts of a question.   Given information- The…

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A: As per our guidelines we are supposed to answer only 3 subpart of any questions so i am solving…

Q: Nationally, patients who go to the emergency room wait an average of 6 hours to be admitted into the…

A: Given,sample size(n)=13sample mean(x¯)=8.6sample standard deviation(s)=2.9population mean(μ)=6and…

Q: In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a…

A: To determine: To determine how may would you expect to be taller than 71 inches . Given data: In a…

Q: Kellogg's, and Betty Crocker regularly use coupons to build brand allegiance and stimulate sales.…

A:

Q: An evaluation team set out to survey the cost of malaria drugs in two urban areas. The following…

A: Note: Hey there! Thank you for the question. As you have posted a question with more than 3…

Q: If you analyze the flavors of ice cream sold and state that there is more vanilla than any other​…

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Q: According to a study conducted by NASA, the average breadth of an adult man's hand is 3.5 inches.*…

A: Formula for z score is as below :

Q: A study tracked walking habits of 1136 randomly selected adults in the United States. The study…

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Q: The cold medicine Dozenal bears a label indicating the presence of 600 mg. of acetaminophen in each…

A: We want to test the hypothesis

Q: Runzheimer International publishes data on overseas business travel costs. It reports that the…

A: The standard deviation will be obtained as given below:

Q: A travel agency wishes to estimate, at 99% confidence and to within $100, the mean airfare for…

A: According to the given information, we have Standard deviation = $275 Margin of error = $100…

Q: You may need to use the appropriate appendix table or technology to answer this question. According…

A: Note: As per the guidelines, solution of 3 subparts are provided. Given information, Price for a…

Q: You may need to use the appropriate appendix table or technology to answer this question. According…

A: From the given information, Sample size n =65 Sample mean, x̅=$30.15 Sample standard deviation,…

Q: A Statistics instructor wanted to compare the scores on the same final exam given to students at a…

A: We have given that  Sample sizes n1= 36 , n2= 45 ,xbar1=84 ,xbar2= 79 , s1= 3.4 ,s2=2.6  Confidence…

Q: Nationally, patients who go to the emergency room wait an average of 7 hours to be admitted into the…

A: (a)   Determine the type of test used for the given study.   The type of study used for the given…

Q: Vivino website, suppose the mean price for a bottle of red wine that scores 4.0 or higher on the…

A: Given: Sample mean x¯=30.15 Sample standard deviation (s) =  12 Sample size (n) = 59 Hypothesized…

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A: Let us consider X be a random variable which denotes the cost of shingled backyard structure which…

Q: Do political science classes require less writing than history classes? The 47 randomly selected…

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Q: Coronary bypass surgery: The Agency for Healthcare Research and Quality reported that 53% of people…

A:

Q: 4. The results of a state-wide examination of the reading skills of sixth-grade students were…

A: For X, a random variable, the Z-score is, Z=X-μσwhere, μ=population mean             σ=population…

Q: Businesses such as General Mills, Kellogg's, and Betty Crocker regularly use coupons to build brand…

A: Note - As per our BNED policy, we are allowed to answer only three sub parts at a time. So, kindly…

Q: A credit bureau analysis of undergraduate students' credit records found that the average number of…

A: State the hypotheses. That is, there is no evidence to conclude that the mean number of credit…

Q: The question is attached in an image.

A: We have given that  Sample sizes n1= 36 , n2=45 , xbar1= 84 , xbar2 =79 ,s1=3.4 , s2= 2.6

Q: Test the claim that for the adult population of one town, the mean salary is $28,000. If a sample of…

A: Given information- Sample size, n = 25 Sample mean, x-bar = $23,500 Sample standard deviation (s) =…

Q: Airline companies are interested in the consistency of the number of babies on each flight, so that…

A: Let σ2 denotes the population variance of the number of babies on airplanes. The airline executive…

Q: You may need to use the appropriate technology to answer this question. Suppose Michigan State…

A:

Q: A guidance counselor wishes to determine the mean number of changes in academic major by college…

A: Given that, Standard deviation = 0.45 90% confidence level

Q: The following are grade point averages measured in a sample of 8 undergraduate students who are…

A: Solution: Let X be the grade point average. The given data is 3.28, 2.97, 3.05, 3.61, 3.39, 2.95, 3…

Q: The average speed of 64 random cars traveling on a certain highway was 80 km/h and the sample…

A: We have given that,  Average speed (x̄) = 80 , standard deviation    (s) = 20, Confidence level(C.I)…

Q: You may need to use the appropriate appendix table or technology to answer this question. According…

A: Given information- Sample size, n = 65 Sample mean, x-bar = $30.15 Sample standard deviation, s =…

Q: recent study found that 61 children who watched a commercial for potato chips featuring a celebrity…

A:

Q: The fuel efficiency, in miles per gallon, of small utility trucks was measured. The results are…

A: Find the Mean for the given data as follows, Note that, the formula for the mean is x=∑xin,…