A bag contains four red marbles six blue marbles and two green marbles if two marbles are drawn out of the bag what is the exact probability that both marvels drawn will be blue

Q: Part 5 Suppose that the observed value of permeability at x = 3.7 is y = 46.1. Calculate the value…

A: It is given: n=14∑yi=572, ∑yi2=23530∑xi=43, ∑xi2=157.42∑xiyi=1697.80

Q: Topic : Housing prices Pose 1 question for the topic • Answering your question must: o Involve…

A: Objective: To come up with a question that will involve collecting, organizing, analysing and…

Q: Draw a tree diagram for Type B seed, giving the probabilities for each branch.  ii) Calculate the…

A: here define events  good rainfall =  R type B seed growing =  G

Q: (c) Use a calculator to verify that x = 5797, x = 5,606,171, y= 587, y = 67,455 and %3D xy 559,988.…

A:

Q: A type I error occurs whenever you Accept the null when it is false Reject the null when it is true…

A:

Q: The third worksheet labeled sample B is a simple random sample with replacement, with seven…

A: It is given that the population standard deviation is 4.

Q: Q20. X is a normally distributed random variable with mean, µ but unknown variance, oʻ Which of…

A: The following information has been given: X~Nμ,σ2 μ is the population mean. σ2 is the population…

Q: In the 1950s, a study of 570 adult Americans who died of lung cancer found that 558 were smokers.…

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

Q: (ii) Find the correlation coefficient given the following summations: E(X – X)(Y – Ỹ) = 168, E(X –…

A: To find: Correlation coefficient

Q: 3. A study is conducted to determine the number of coffee cups taken each day by call center…

A:

Q: If n=450 and ˆpp^ (p-hat) =0.48, find the margin of error at a 99% confidence level Give your…

A: Given n=450 and p^=0.48, level of significance ɑ=0.01

Q: A student fits two linear model functions to their data on a scatter plot. A line with a slope of…

A: Chi-square test has got multiple usefulness.

Q: What is the mean of the following data set 60,52,48,32,62,45,48,52,60,48

A: Solution

Q: 3. Suppose eight coins are tossed simultaneously. If the random variable X denotes the number of…

A: I solved exactly first question because of bartleby policy if you want more please upload…

Q: 2. A private company set specific prizes for five winners in a Christmas raffle. The prizes were the…

A: A combination is a selection of items from a group of items, where the order of selection is not…

Q: What term describes the following data? Score 1 2 3 4 Frequency 12 8 2 1 right-skewed b. left-skewed…

A:

Q: anufacturer knows that their items have a normally distributed lifespan, with a mean of 10.5 years,…

A: Given data,Mean μ=10.5sd    σ=3.2P(X>4)=?

Q: This question asks you to extend the medical-test example from class. Suppose there is a medical…

A:

Q: The first worksheet labeled sample A (in the Excel file linked below the exam) is a sample of n=50…

A: Given:

Q: (b) Bertie aimed a dart at a dart-board 15 times. The distribution of his scores is: Score, S 2 5 19…

A: Solution: b) Here S be the score and f be the frequency. Calculation table: S f fS 2 3 6 5 4…

Q: Consider a study using a between-groups design with between-groups df = 3 and within-groups df = 4.…

A: Given  df1 = 3 and within-groups df2 = 4. Given an F ratio of 6.8,

Q: Sam is a competitive swimmer that competes in the 100 m freestyle and 100 m backstroke. High school…

A: The mean and standard deviation of times in Freestyle are:   The mean and standard deviation of…

Q: What are the degrees of freedom for the χ2 distribution for this test? d.f. =

A: here use basic of chi square test

Q: ACTIVITY. From the table below, determine the relationship between number of Facebook friends and…

A: Given information: X Y X^2 Y^2 XY 3889 239 15124321 57121 929471 4999 576 24990001 331776…

Q: What is d2; i.e., the difference for the 2nd family?  USE 1 DECIMAL PLACE.   QUESTION 13 The mean…

A: Test is that whether the sons are taller tham their fathers. It is given that Sample size n = 8 Mean…

Q: A population of values has a normal distribution with μ=201.4 and σ=41.3 You intend to draw a random…

A: A population of values has a normal distribution with μ=201.4 and σ=41.3  n=77

Q: Q12. Identify the correct statement concerning, r the correlation coefficient between X and Y and…

A: Similarity between r the correlation coefficient between X and Y and the linear regression, Y = aX+b…

Q: You wish to test the following claim (HaHa) at a significance level of α=0.001       Ho:p1=p2…

A:

Q: Because statistical software plays such an important role in modern statistical applications, many…

A: From the given information: Proficiency Ease Not proficient Somewhat proficient Very proficient…

Q: Find the P-value for the indicated hypothesis test with the given standardized test statistic, z.…

A:

Q: You are conducting a test of independence for the claim that there is an association between the row…

A: From the provided information,   X Y Z Total A 40 30 16 86 B 32 17…

Q: An engineer wants to determine how the weight of a car, x, affects gas mileage, y. The following…

A: Given the data of weight of car x and mileage of car y as shown below in excel

Q: ted below are amounts of court income and salaries paid to the town justices. All amounts are in…

A:

Q: What is the EXPECTED COUNT for the cell that has 36 in it (Positive and High)?  The answer is an…

A: here given contingency table    high  intensity low intensity  total positive recognition 36 9…

Q: mahulacturer claims that the mean life of its competitor's refrigerators is less than 18 years. You…

A: Given that  Population mean μ =18

Q: Suppose a marketing company randomly surveyed 404 households and found that in 214 of them, the…

A: Given N=404 Pcap=0.53

Q: A biotechnology company produced 222 doses of somatropin, including 12 which were defective Quality…

A: here it is without replacement model so use hypergeometric distribution

Q: 1. Use last digit of your student ID(I called it b) to do the following problem. Charges for…

A:

Q: ractions over the week is shown in the following grouped frequen

A: Given data, What is the class width?

Q: Assume that a procedure yields a binomial distribution with a trial repeated n=5n=5 times. Use some…

A: K~Bin(n=5, p=0.844)

Q: It has been found that 1 out of every four South African drivers has at least one outstanding…

A: The probability that a randomly selected South African driver has at least one outstanding parking…

Q: ring repeats?

A: It is given that the 4 digits pin should be seleceted from the digits 0.

Q: Clearly

A: Given,   For male : sample size (n1) = 427sample mean (x̄1) =  1439.96sample standard deviation (s1)…

Q: Example 14.6 A company has devised three training methods to train its workers. It is keen to know…

A: 14.6)

Q: A market research firm used a sample of individuals to rate the purchase potential of a particular…

A:

Q: How many degrees of freedom do you have in this test? O1 3

A:

Q: A particular fruit's weights are normally distributed, with a mean of 527 grams and a standard…

A: Given Mean=527 Standard deviations=5

Q: Is there a link between watching television and aggressive acts in teenagers? A random sample of…

A:

Q: What are the findings of the study?

A:

Q: The third worksheet labeled sample B is a simple random sample with replacement, with seven…

A: