Would it be unusual if less than 28% of the freshmen in the sample of 120 were planning to major in a STEM discipline? It would |be unusual if less than 28% of the freshmen in the sample of 120 were planning to major in a STEM discipline, since the probability is

Q: In a study conducted by some Statistics students, 69 people were randomly assigned to listen to rap…

A: The given information is as follows:

Q: A survey among CLSU students was conducted. It is about their starting position when they sleep…

A: As the data was collected among CLSU students. So the population is the CLSU students. And 500…

Q: A researcher wants to study the proportion of people on trial for first degree murder who are found…

A: Given data: proportion: p = 0.15 Claim: The proportion of U.S teenagers between the ages of 13 and…

Q: A survey asked a random sample students if they estimated they spent more or less than an hour a day…

A: Given that   More  less  7th grade  24 25 8th grade 28 26 We have to find the number of…

Q: Suppose that 43% of people own dogs. If you pick two people at random, what is the both own a dog?…

A: Given, Probabily of a person own a dog is 43 %

Q: Assume that a recent survey suggests that about 79​% of adults have heard of the brand.   n=

A: It is given that a recent survey suggests that about 79​% of adults have heard of the brand.

Q: A survey among Harvard students was conducted. It is about their starting position when they sleep…

A: Do the collected data represent a sample or population? Explain your answer.

Q: Suppose that a quality control expert would like to compare the number of defective products per day…

A: The number of defectives per day have Poisson distribution. Xi~Poissonθ1Yi~Poissonθ2for…

Q: a flute instructor examined student progress

A:

Q: About 4% of the population has a particular genetic mutation. 700 people are randomly selected. Find…

A: Given: The size of random sample of people selected is 700 (n). The probability that a randomly…

Q: Select the answer below that would represent a POPULATION. A poll of 100,000 people in the United…

A: Any data may be population or sample We can know data is population or sample :  We know :  Sampling…

Q: A physician claims that a person's diastolic blood pressure can be lowered if, instead of taking a…

A:

Q: A survey asked a random sample students if they estimated they spent more or less than an hour a day…

A: More Less Total 7th grade 24 25 49 8th grade 28 26 54 total 52 51 103   here we add total…

Q: Find the mean for the number of people with the genetic mutation in such groups of 700.

A: Let p be the proportion of the people with the genetic mutation. Given that p = 0.03 Let X denote…

Q: Find null hypothesis and alternative hypothesis. Find test statsistic. Find P-value.  How do you…

A:

Q: A city official would like to know if there is public support for increasing funding for arts…

A: Here the city official is collecting the data by standing the concert hall after a show and surveys…

Q: What proportion of the general population has an IQ of 70 or less?

A: It is an important part of statistics. It is widely used.

Q: Based on a sample survey, a company claims that 75% of their customers are satisfied with their…

A:

Q: Determine whether the given description corresponds to an observational study or an experiment. A…

A: We have to determine whether the given description corresponds to an observational study or an…

Q: In​ statistics, the data we work with is just one part of a bigger picture called the​ ____

A: We need to fill the given sentence with suitable word.

Q: Approximately 29% of music lovers like Country Music. Of those who do, 96% do not have mild brain…

A: P(like country music) = 0.29 P(not have mild brain damage | like county music = 0.96

Q: The following data represents the age of 30 lottery winners. 20 26 29 31 33 34 38 41 43 47 53 54 51…

A: From the provided information, The data values are as follow: 20 26 29 31 33 33 34 38 41 43 47…

Q: The "fear of negative evaluation" (FNE) scores for 11 female students known to suffer from the…

A: Confidence interval It is probability value by which one can say that population parameter are lying…

Q: An e-commerce Web site claims that 8% of people who visit the site make a purchase. Complete parts a…

A: Here, given 8% people make purchase, 0.08. And 92 % people do not purchase and number of people is…

Q: The nationwide adult smoking rate is 17.3%. In a random sample of 3647 American adults, how many of…

A: The nationwide adult smoking rate is 17.3%. In a random sample of 3647  American adults, to…

Q: Identify the population being studied and the sample chosen. The final exam scores of 44 out of the…

A: Solution: Sample is the subset of population. Population is the entire set of units under study.

Q: Determine whether the underlined number is a statistic or a parameter.   A sample of employees is…

A: Statistic: If the value is a numerical measurement describing a characteristic of a sample then it…

Q: A study asked people many questions about their cars. One question was the reason that a person…

A: SafetyReliabilityCostPerformanceComfortLooks806844414127Total no. of cars=301In this study there are…

Q: According to a recent​ census, 14.9​%of all housing units in a certain country are vacant. A county…

A: Solution-: Given: We take, We find p-value=?

Q: Approximately 19% of music lovers like Country Music. Of those who do, 97% do not have mild brain…

A: Assume the following events C - A music lover like country music B - A music lover does not have…

Q: High blood pressure: A national survey reported that 34% of adults in a certain country have…

A: From the provided information, A national survey reported that 34% of adults in a certain country…

Q: PracticE the legalization of marijuana. Among the Democratic voters surveyed, 158 of the 200 people…

A: 2 proportion z test is applicable