A survey showed that 23% of college students read internet news on a regular basis and that 82% of college students regularly watch the news on TV. The survey also showed that 20% of college students both follow TV news regularly and read internet news regularly.

Q: A psychologist conducted a survey of the attitude towards the sustainability of American energy…

A: The provided data is,

Q: Suppose a quarterback's completion percentage for the season is 67.2%. Based on relative frequency,…

A: We have to find Based on relative frequency, is it more likely that he will complete his next two…

Q: low-birth-weight babies graduate from high school by age 20. If 180 ​very-low-birth-weight babies…

A: The expected value can ve calculated as, E(x) =np

Q: In a survey of 52 students in the cafeteria, it was found that 15 were commuters. If one-quarter of…

A: Let there were x females and y males. So, x+y=52   Given that one-quarter of the female students and…

Q: A study claims that the combination of vitamin C with vitamin E is more effective for preventing the…

A: Given that, A study claims that the combination of vitamin C with vitamin E is more effective for…

Q: A high school student is writing a report on which social media site, Facebook or Instagram, is…

A: Solution of this question is

Q: A CBS News poll conducted June 10 and 11, 2006, among a nationwide random sample of 651 adults,…

A: The value of P (same|affiliated with neither party) is obtained below:

Q: TV advertising agencies face increasing challenges inreaching audience members because viewing TV…

A: a.

Q: When a data set has one or two values that are much higher than all of the others which of our 3…

A: As Mean is found by adding all the values and dividing by the number of values So if one or two…

Q: A drug company spernds millions creating a newcholesterol-lowering drug, but when the results of…

A:

Q: Suppose that you are interested in determining whether the advice given by a physician during a…

A: (a)   Obtain the value of true difference in the population proportion p1–p2.   The value of true…

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A: Solution: From the given information, number of selected teen girls living in Massachusetts is 273…

Q: 6 of the last 10 sundaes sold had nuts. Considering this data, how many of the next 5 sundaes sold…

A: The probability that sundaes sold had nuts is, Psold sundaes have nuts=610=0.6 The probability that…

Q: How likely is it for a vehicle to have an accident history if it was known to be a car or a bus?

A: Here complete table

Q: A researcher concluded that a patient was in the risk group of developing a rare disease based on…

A: Solution: Here, hypotheses for this test can be written as follows: H0: A patient was NOT in the…

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A: The percentage of chance of occurrence of an event is calculated  by dividing the number of…

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A: Confounding variable: Confounding variable is a third variable that has hidden effect on the…

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A: Given information: Number of randomly selected adults n=1591 The given number of people who…

Q: According to the Centers of Disease Control, about 20% of American young people between the ages of…

A: Given that  According to the centers of disease control  About 20% of  American young people between…

Q: A student researcher was surprised to learn that the 2017 NCAA Student-Athlete Substance Use Survey…

A: Since the question to be answered is not specified, we'll be answering only the first question.…

Q: A study claims that the combination of vitamin C with vitamin E is more effective for preventing the…

A: To find: This study is ??

Q: A survey of 125 freshmen business students at a local university produced the results listed below,…

A:

Q: According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft,…

A: Solution: Let X be number of complaints of identity theft and n be the sample number of customer…

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A: Given information:      Proportion of men affected by color blindness = p1 = 0.08      Proportion of…

Q: A psychologist conducted a survey of the attitude towards the sustainability of American energy…

A: It is given that number of randomly selected individuals is 380.

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A:

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Q: In a correlational study, how many variables are measured for each individual and how many groups of…

A: How many variables are measured for each individual and how many groups of individuals are in the…

Q: who is more likely to attend both activities?

A: here use concept of independent event if A and B independent events then p(A and B ) = p(A).p(B)

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A: Given claim: There is a difference in the number of shoplifting incidents before and after the…

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A: Introduction:The sample proportion is a good estimator of the population proportion, if the sample…

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A: Let's say G is the set containing all graduate who studied "G with w". Thus, number of element in…

Q: A sample of 200 students at a large university was taken after the midterm to ask them whether they…

A: Given that: Sample size (n) = 200     Did well on midterm Did poorly on midterm total Row…

Q: A Gallup poll of 1001 Americans age 18 and over conducted in May of 2013 found that 80% of the…

A:

Q: The Consumer Reports Restaurant Customer Satisfaction Survey is based upon 148,599 visits to…

A: Solution: The claim is to test whether there is a significant difference among the mean meal price…

Q: A poll in June 2020 found that 83% of American parents believe that virtual learning instead of in-…

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

Q: A CBS News poll conducted June 10 and 11, 2006, among a nationwide random sarmple of 651 adults,…

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

Q: A seven-year medical research study reported that women whose mothers took the drugDES during…

A:

Q: A survey of recent high school graduates regarding literature that they studied during their high…

A: Consider the data given in the problem and draw the Venn diagram as shown below, now, fill the rest…

Q: According to the GSS 2018 dataset, 51% of 218 college graduates reported being interested in…

A:

Q: A CBS News poll conducted June 10 and 11, 2006, among a nationwide random sample of 651 adults,…

A: Given data,   Better Same Worse Total Republican 38 104 44 186 Democrat 12 87 137 236 None…

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A: Observational study:   If the individuals under the study are just observed and measured based on…

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A: A contingency table is also called as  2×2 tables or cross tabulation, where one can find the…

Q: A CBS News poll conducted June 10 and 11, 2006, among a nationwide random sample of 651 adults,…

A:

Q: A 2015-2016 report stated that hiring over the past year of people with a bachelor's degree…

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Q: A psychologist conducted a survey of the attitude towards the sustainability of American energy…

A: As per our guidelines,we are allowed to answer first three sub-parts only , Thanks. Please post…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.