A bag contains 4 red marbles, 6 blue and 5 green. If you select 4 marbles at random. What is the expected number of blue marbles will you get?

Q: If n=29, (x-bar)3D46, and s=7, construct a confidence interval at a 95% confidence level. Assume the…

A: Given that  Sample Mean \bar XXˉ = 4646 Sample Standard Deviation (s)(s) = 77 Sample Size…

Q: If the character shows you the card 4, what is the probability that the second card will be higher…

A: Here given,  The character has a deck of 9 cards numbered 1 through 9.  They select a card and…

Q: 4. Suppose on average, Mymensingh registers 20 fatalities per week from the novel coronavirus. a.…

A:

Q: The average cost per household of owning a brand new car is ₱5500. Suppose that we randomly selected…

A: Given information: μ=5500σ=1550n=35

Q: iid ulo, @) find minimum Sat fiei SaPficient

A:

Q: In a study, two groups of patients with a particular infection are given two different antibiotic…

A: There are two categorical variables which are type and time. We have to test whether there is a…

Q: A survey of 2,850 Canadian Internet users revealed that 1,400 of them had posted a photo or video…

A: We have given that two statements first one related to frequency distribution and the other one is…

Q: Part 1. The central limit theorem only applies when the original distribution is normal. True or…

A: Given two statements, we have to write the statements is true or false.

Q: Problem 1: The joint probability distribution of two random variables X and Y is given in the…

A: Here a discrete random variable probability mass function is given. By using marginal density…

Q: a certain city, the of power outages per Is a randon variable, having a distribution with u 11.5 and…

A: Let X be the continuous random variable from normal distribution with mean (μ) = 11.5 and standard…

Q: Find the expected frequency, E,, for the given values of n and p- n= 180, p, = 0.6 E; =0

A: Given that  n=180 , p=0.6

Q: (a) Consider a t distribution with 24 degrees of freedom. Compute P(-1.00<1<1.00). Round your answer…

A:

Q: Use the Solovay-Strassen test to show that 7739 is composite.

A:

Q: The quality inspector sampled 38 cups of bubble tea from a tea store and found the average sugar…

A: From the provided information, Sample size (n) = 38 Sample mean (x̄) = 7.832 g Standard deviation…

Q: Use the following computer data, which refers to bear measurements, to answer the question.…

A: From the given information, the value of R-sq is 0.969.

Q: 13. In a recent survey, a random sample of OSU football fans was asked if they would consider dating…

A:

Q: What is the explanatory variable when running the R code: Imfformula = data$HP ~ data$SQ) Fill in…

A: The R code is given by lm(formula = data$HP ~ data$SQ)

Q: a) A machine at a casino advertises that you will win big with probability 7% each time you play it.…

A:

Q: Ten observations were provided for a dependent variable y and two independent variables  x1 and x2;…

A: From the given information, the value of SST is 15189.8 and the value of SSR is 14056.9.

Q: Construct a scatter diagram of the given bivariate data. (Do this on paper. Your instructor may ask…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

Q: What is the derivative of the function f(x)= In(3x2) ? а. f'(x)= 2 b. None of these. с. 1 f'(x)= %3D…

A: We have given that  The function is f(x) = ln(3x2)

Q: Example 15.11 The following table shows the marks obtained in two tests by 10 students: Marks in Ist…

A:

Q: A statistical software program has a 'random number generator' that is supposed to produce numbers…

A: Statistic belong to sample such as sampke mean ans sample sd

Q: It has been claimed that 71% of all adults use their cell phones within an hour of going to bed.…

A: From the provided information, The claim is that 71% of all adults use their cell phones within an…

Q: confidence intervals and sample size:  How do I solve this problem? If a sample of 48 has a mean of…

A: Given,sample size(n)=48sample mean(x¯)=416standard deviation(s)=15degrees of…

Q: friend has a 80% average before the final exam for a course. That score includes everything but the…

A: Given friend has a 80% average before the final exam for a course. That score includes everything…

Q: Example 18.16) The sales of a company (in lakh of Rs) for the seven years are given below: Year 1990…

A:

Q: Example 3.2 We are given the following data and asked to draw an ogive and determine graphicall the…

A:

Q: A statistical program is recommended. Consider the following data for a dependent variable y and two…

A: There are 2 independent variables and 1 dependent variable. This is multiple regression analysis. We…

Q: Soalan/ Question 2: Given a normally distributed population with a mean of 75 and a variance of 625,…

A: GivenMean(μ)=75Variance(σ2)=625standard deviation(σ)=625=25

Q: Amateur triathletes who competed in the 2019 Lake Placid Ironman were classified by age and…

A: For the given data Perform chi square test

Q: A normal distribution has ? = 31 and ? = 4. (a) Find the z score corresponding to x = 27. (b)…

A: The provided information is µ=31 σ=4 a. when x=27 z=x-µσz=27-314z=-1 The z score is -1

Q: companies. Company A offers a starting salary with mean µ = $31,000 and σ = $1000. Company B offers…

A: Given that.   X~N( μ , ?^2 )     Z-score =( x - μ )/?

Q: Which of the following R commands can be used to calculate the p-value for Z = 0.8775 with an…

A: We have given that,  We have to check the which R commands can be used to calculate the p- value of…

Q: EXAMPLE :- How many 3 digits number can be formed using digits 1,6,8,9,3,7 without repeating any…

A: In question, We'll find that how many 3 digits numbe can be formed using digits 1, 6, 8, 9, 3, 7…

Q: 1. Researchers want to study if deviance proneness has an impact on life satisfaction (z = 1.94).…

A: First frame the Hypothesis as Null Hypothesis: there is no Impact of deviance proneness on life…

Q: For each item, identify if the type of sample is related or independent. 1. Prof. Antonio believes…

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

Q: 9.2.8 Antibiotic Efficacies Eight cultures of a bacterium are split in half. One half is tested…

A:

Q: Example 19.15) An experiment is conducted to judge the effect of brand name on quality perception.…

A:

Q: 17. When the heights (in inches) and shoe lengths (also in inches) were measured for a large random…

A: Correlation Correlation is used to determine the non-causal link between two variables. The…

Q: An archer’s standard deviation for his hits is six (data is measured in distance from the  center of…

A: Solution-: Given: σ0=6 An archer’s standard deviation for his hits is six (data is measured in…

Q: Which is the largest with regard to the following data set: the range or the standard deviation? 11…

A: We have given that,  X :- 11, 11, 12, 12, 12, 12, 13, 15, 17, 22, 22, 22 Then,  We will check which…

Q: Instruction. Use Microsoft Excel in computing the following problems. Show screenshots of your…

A: Given :  mean = 25 Standard deviation = 9 Sample size = 40

Q: a distribution with u= 11.5 and o-2.5 If this distribution can be approximated closely with normal…

A: Let X be the random variable from normal distribution with mean (μ) = 11.5 and standard deviation…

Q: Use Kruskal-Wallis method to test the hypothesis that the mean increase in sales on account of three…

A:

Q: to LA The scores of 6 students on the midterm exam and final exam were as follows. Student Midterm…

A:

Q: Which of the following data sets could most appropriately be analyzed with a simple linear…

A: We have given the following graphs.

Q: Example 5.1 Suppose a student has secured the following marks in three tests: Mid-term test 30…

A:

Q: (a) Consider a t distribution with 24 degrees of freedom. Compute P(-1.00<1<1.00). Round your answer…

A:

Q: c) (a) For the next shaft, what is the probability that its diameter is between 8.5 mm and 13.0 mm?…

A: