Americans spend an average of 5 hours per day online. If the standard deviation is 33 minutes, find the range in which at least 93.75% of the data will lie. Use Chebyshev's theorem. Round your to the nearest whole number.

Q: There is a correlation between ice cream sales and crime rates. What can we conclude from this?…

A: There is a correlation between ice cream sales and crime rates.

Q: Click the icon to view a table of z scores. they felt vulnerable to identity the a) Find the best…

A: X=536, n=1099

Q: A quiz consist of four true-false questions, and two multiple-choice question with three choices…

A: Here the given information is:-A quiz consist of four true-false questions, and two multiple-choice…

Q: Hello, question 5 says some college or more so should the formal not include e5/e6 and e7 with f5,f6…

A: Given the data table ans we have to find the probability that someone with some college or makes…

Q: I need help with trying to solve (b) Please help.

A: GenerationxyMillennials3936Gen X5451Boomers6558Silent/Greatest Generation7366

Q: An anagram of a string is just a rearrangement of its letters.  a) How many anagrams are there of…

A: An anagram of a string is just a rearrangement of its letters.

Q: ne the correct conclusion. Assume a significance level of 0.05. This means that there is the null…

A: We are going to fill the conclusion by the help of p value and significance level

Q: If P(B^c) = 0.8, Find P(B)

A: Given, P(B^c) = 0.8That is, P(Bc) = 0.8Using formula,P(A)+P(Ac) = 1

Q: The data below represent commute times​ (in minutes) and scores on a​ well-being survey. Commute…

A: x:5,15,30,40,50,84,105​ y:68.9,67.6,65.8,64.9,64.0,61.5,58.8

Q: Two dice are rolled. What is the probability that the sum is 12? OOC 1 36 TIL FES 3 11 36 17 . 36…

A: Two dice are rolled.S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6) (2,1) (2,2) (2,3) (2,4) (2,5) (2,6)…

Q: A trucking company would like to compare two different routes for efficiency. Truckers are randomly…

A: For Route A:The sample size, i.e., the sampled number of truckers, n1=20.The sample average time (in…

Q: Assume that the random variable X is normally distributed with mean μ = 120 and standard deviation o…

A: Mean==120Standard deviation==13

Q: Determine whether the data described below is a quantitative of qualitative variable and explain…

A: A variable is a characteristic that is being measured.

Q: In a large population, 51 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Let p be the probability that the people has been vaccinatedn be the sample sizen=5, p=0.51

Q: A furniture company makes bar stools, tables, and chairs

A: From the above given data the following solution is provided below:

Q: A random poll of 700 working men found that 12% had taken on a second job to help pay the bills. a)…

A: The sample size is 700 and 12% had taken on a second job to help pay the bills.

Q: Assume that a procedure yields a binomial distribution with 1210 trials and the probability of…

A: Assume that a procedure yields a binomial distribution with  trials and The probability of success…

Q: In analyzing hits by bombs in a past war, a city was subdivided into 638 regions, each with an area…

A: City was subdivided into 638 regions, Total bombs = 529 Poisson distribution concepts : Mean : µ = λ…

Q: From a sack of fruit containing 3 apples, 3 oranges, and 3 bananas, a random sample of 4 pieces of…

A: Since you have posted multiple questions, we will provide the solution only to the first five…

Q: Find the equation of the regression line for the minutes the actor appeared shirtless in a film and…

A: Data…

Q: Are there more words in the English language   That start with an "r" OR For which "r" is the…

A: Consider the given situation:"Are there more words in the English language that start with an "r" OR…

Q: Please do 3c and 3d with handwritten working out

A: Given the censored lifetime data:12  13  14+  15+  16+  18  18  19  21  22+  23  23+  25  25  26  26…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Mean()=100standard deviation()=15

Q: A crazy statistics tutor only passes 10% of students in a university subject, by examining all…

A: From the provided information,A crazy statistics tutor only passes 10% of students in a university…

Q: According to a recent report, 45% of college student internships are unpaid. A recent survey of 80…

A: Solution-:Given: We want to determine the null and alternative hypothesis.Test statistic =?  and…

Q: Betsy Pitzer makes decisions according to Bayes' decision rule. For her current problem, Betsy has…

A:

Q: True or false    1) Chi-square test statistic is always positive.   2) When doing linear…

A: Let us discuss every statement and state whether the statement is true or false.

Q: What would the scatterplot look like if two variables X and Y had a Pearson Product Moment…

A: If two variables X and Y had a Pearson Product Moment correlation of -0.547

Q: Insurance Company A claims that its customers pay less for car insurance, on average, than customers…

A: Company A:Sample size Sample mean Sample standard deviation Company B:Sample size Sample mean Sample…

Q: ire equally effective? Explain. "What is the null hypothesis? ▼ ▼ What is the alternative…

A: p=84%=0.84, p-value=0.11

Q: Suppose you are interested in explaining maximum July temperatures in degrees Fahrenheit and…

A: cityxyEdmonton5189Calgary5391Denver3990El paso31109There are four cities and we have data for their…

Q: A group of people were asked what instrument they play.  They were divided up into youths and adults…

A: From the provided information,PianoViolinGuitarTotalYouth273567129Adult4469100213Total71104167342

Q: Find the area under the standard normal distribution curve to the right of z=-1.18. Use a TI-83…

A: Standard normal distributionZ~N(0,1)Find area under standard normal distribution curve to the right…

Q: A candy maker produces mints that have a label weight of 21 grams. Assume the distribution of the…

A: Given:distribution of weight is N(21.37,0.16)heremean=21.37 and standard deviation =0.16Let X1 and…

Q: A helicopter tour company purchases insurance for lost business due to rain in the month of May. The…

A: X denotes the number of days, the helicopters are grounded. X follows binomial distribution with…

Q: Given that the customer-owned $1000 or more, what is the probability that the customer received a…

A: The given table is as follows:

Q: K Assume that the differences for the given data are normally distributed. Complete parts (a)…

A: Observation1234567di-0. 41.1-3. 3-3. 80.6-2. 5-2. 9

Q: This bar graph shows the number of students who scored 1, 2, 3 or 4 in a certain quiz in a class.…

A: 1, 2, 3 , 4

Q: A large number of applicants for admission to graduate study in business are given an aptitude test.…

A: Given,Mean, μ = 460Standard deviation, σ = 80Let X be a random variable represents the score.Using…

Q: Which of the following is NOT true regarding the area of the standard normal distribution that lies…

A: The provided information is as follows:The .The objective is to choose the incorrect statement about…

Q: Question 1 Consider two samples 1, 2, iid 91, 92,,Yng Assuming that the two samples are independent,…

A: Let x1, x2... xn follows fx with E(X)=μx and Var(X)=σx2y1, y2...yn follow fy with E(Y)=μy and…

Q: 8. What is P(4)? a. a. 60 9. What is P(AUA)? 23 60 a. b. 3 c. 1 d. 60 b. 60 10. What is P(AB)? c. 1…

A: "Since you have posted a question with multiple subparts we will provide solutions only to the first…

Q: arrent Attempt in Progress Concentration of Retinol by Vitamin Use The figure below displays the…

A: A box plot is a chart that shows data from a five-number summary including one of the measures of…

Q: Assume that calorie consumption is normally distributed with a mean calorie intake of 1200 and a…

A: From the given information,Mean = 1200Standard Deviation 430Using Formula ,Z =

Q: Answer with the precision of 3 decimal places. Let X be a binomial random variable with n = 32 and p…

A: X has a binomial distribution : n = 32 p = 0.48

Q: The Wilson family was one of the first to come to the U.S. They had 8 children. Assuming that the…

A: sample size(n)=8Probability of a child being a girl is (p)=0.5Let "x" be that the Wilson family had…

Q: An objective function and a system of linear inequalities representing constraints are given.…

A: Solution:-To graph the system of linear inequalities representing the constraints, we will first…

Q: A 1 2 Education Level 3 Not H.S. Graduate 4 H.S. Graduate 5 Some College 6 Bachelor's Degree 7 8 9…

A: Given the Excel table and want to find probabilities.

Q: assigns a value to a number based on how many standard deviations it stands from the mean and is an…

A: Z-score: It is also called a standard score. It estimates how far a data point is from the mean of a…

Q: A sample of 20 people is selected randomly without replacement from a population of 78 sufferers of…

A: N=78, n=20, M=8Randomly selected without replacement