2-Is the source of news independent of age? Results of a random sample are in the following 2- way table Radioe Televisione Internete Totale <30e 30e 40e 85e 30-50e 50-70e 62e 70e 110e 148e 138e 102e >70e 83e 117e 55e Totale 1040e

Q: 4. The average public elementary school has 468 students with a standard deviation of 87. If a…

A: Here use given step by step solution and normal distribution of sample mean

Q: A manufacturer of apple phone charges claims that only 4% of his production is  defective. In a…

A: Givensample size(n)=120p^=0.0499α=0.01

Q: Problem #1 The Senior high school students of EClaro wanted to raise money to have their graduation…

A: Histogram : A bar graph may be a graphical illustration that divides a group of information points…

Q: if μ0=19.53, μ1=19.63, σm = 5, and mcritical= 19.58, calculate β for H1: μ1-μ0 > 0. please use excel…

A: From the given information, μ0=19.53μ1=19.63σm=5mcritical=19.58 H1: μ1-μ0 &gt; 0

Q: The table below shows the color and the model of cars purchased by 160 randomly selected customers…

A: For the given data Perform Chi square test

Q: EP-T method in probability distribution: what is it? Suppose that she estimates that there is a 95%…

A: Given Suppose that she estimates that there is a 95% chance that first-year sales will exceed 10,000…

Q: A hospital is trying to cut down on emergency room wait times. It is interested in the amount of…

A: We have given that the sample mean 1.5 hours and sample standard deviation s is 0.5 hours. The…

Q: From the data given below construct the quantity index number for the current year using arithmetic…

A:

Q: Consider the following sample of observations on coating thickness for low-viscosity paint: 0.83…

A: Given0.83,0.88,0.88,1.04,1.09,1.12,1.29,1.31,1.48,1.49,1.59,1.62,1.65,1.71,1.76,1.83sample…

Q: A company is to appoint a person as its managing director who must be an M. Com, M.B.A., and I.A.S,…

A:

Q: In a study of government financial aid for college​ students, it becomes necessary to estimate the…

A: Assume sample proportion(p^)=0.5margin of error(E)=0.05α=1-0.99=0.01α2=0.005Z0.005=2.58    (from…

Q: An economist claims that the population standard deviation of the monthly income of all the families…

A: Given Information: Population standard deviation σ=2500.00 Sample size n=250 Sample mean x¯=3500.00…

Q: Q3. The total marks scored by two students Atik and Ahana in 5 subjects are 460 and 480 with…

A:

Q: Identify a formula that you might use in Excel to determine the minimum required sample size. =SET.…

A: We need to identify a formula to determine  the minimum  required sample size.

Q: 7. The probability that a 28-year-old year is approximately 0.001395. If an insurance company se…

A: In Q7 Insurance=$20000=Price of policy Premium=$475 probability of death=0.001395 In Q8 Number of…

Q: A shipping company handles containers in three different sizes: (1) 27 ft3 (3 x 3 x 3), (2) 125 ft³,…

A: Given that, A shipping company handles containers in three different sizes: (1) 27 ft3 (3 x 3 x 3),…

Q: Ep190 Epngo Ep191 Ep91 (v) x 100 Ep 191 Χ 100 (vi)

A: Answer: From the given data,

Q: A coin is tossed at the same time with a die. What is the probability of getting a  tail and a 3?

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: QUESTION 7 A random sample of 25 children proportion of children that like Yummy Gummy candy…

A: Given that  n=25 , X=22  X=Number of children indicating like the candy  n=Total number of sample

Q: family has 5 children. Find the probability of having: d. 3 boys and 2 girls e. 2 boys and 3 girls

A: We have given A family has 5 children.  We have to find the probability of   3 boys and 2 girls and…

Q: The table shows both prospective profits and losses for Lovely Apparel, depending on what decision…

A:

Q: In practice, when comparing two means using small samples, when would you recommend assuming equal…

A: We have given the statement two samples, using small samples

Q: The owner of a factory that sells a particular brand of bottled fruit juice claims that the average…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Figure Spifference for each of the following studies. N2 20 (a) (b) (C) (d) (e) 5 40 60 20 60 30 30…

A: Given Differences between N1 S21    N2  S22

Q: VII. Given the binomial experiment with n = 100 rials and probability of success on a single trial p…

A:

Q: Researchers reported a study in which 396 domestic violence defendants were randomly assigned to…

A: The number of people arrested within 12 months in the counselling group is 48 out of 224.

Q: Normality. he nercentage of the e fll vetween the mcan a score u19? e nicked at random will lie…

A: Given that mu =43 ,s.d =5

Q: Family Sales in Period Income Pesos (millions) (thousands) 1 20 600 2 30 800 3 25 1,100 4 28 1,600 5…

A: Let  X=family income  Y=Sales in Pesos  Data given  X:20,30,25,28,31  Y:600,800,1100,1600,1800 Note:…

Q: According to a 2017 report, 37% of adults aged 18 to 29 had student loan debt. Suppose in a random…

A: For the given data Z =?

Q: 10% of the engines manufactured on an assembly line are defective. What is the probability that the…

A: Given that 10% of the engines are defective And 90% of the engines are non-defectives   Then p=0.9…

Q: In practice, when comparing two means using small samples, when would you recommend assuming equal…

A: We use the F-test to test for the equality of two variancesF test is a ratio of two variances  An…

Q: 3. Two sections of Class IX having 30 students each appeared for mathematics olympiad. The marks…

A:

Q: A. Express the null hypothesis Ho and the alternative hypothesis H. in notation form in the…

A: Hypothesis is an assumed statement or assertion about the parameter. The hypothesis test would…

Q: QUESTION 3 The margin of error indicates how accurate a point estimate is in estimating a population…

A: Confidence interval is an interval such that the probability of the unknown parameter to be included…

Q: Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long…

A: Given that mu =75 , s.d =0.8

Q: An orthopedic surgeon’s records show that she called to the hospital to set an average of 3 broken…

A: Given that, An orthopedic surgeon’s records show that she called to the hospital to set an average…

Q: Company XYZ know that replacement times for the portable MP3 players it produces are normally…

A: We have given Mean(µ) = 3Standard deviations (σ) = 1.1X ~ N (µ, σ )= N (3, 1.1)

Q: In multiple regression, R can be ________.   Question 6 options:   tested for significance…

A: In multiple regression, R can be __   considered equivalent to covariance ______.

Q: A researcher is studying the pickerel population in two lakes, Lake Rick and Lake Morty. Samples of…

A: There are two independent samples which are Lake Rick and Lake Morty. We have to test whether there…

Q: Examine the unweighted methods of index number in the light of the order eversal test with reference…

A:

Q: If there are five different toy cars, and you want to put fifteen toy cars on the display, how many…

A: Permutation is the measurement of principle counting. It is measure that arrange the data in an…

Q: 8 - 10. What is the regression equation in this case? a. y = -853.81 + 85.89x b. y = -853.81 +…

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

Q: .treatment? a. a+ b b. axb c. /a - b/ d. a/b e. a

A: Factor 1 has alpha levels or a levels Factor 2 has b levels

Q: Which of the following statements about time-series forecasting methods is TRUE? Check all that…

A:

Q: The table below shows the number of state-registered automatic weapons and the murder rate for…

A: The independent variable is thousands of automatic weapons. The dependent variable is murders per…

Q: d) Find the regression equation for the data. e) What resale value would you expect for a car aged…

A: Given: Age  Value 1 15975 2 9285 3 8000 4 6790 5 3150 6 3448 7 2755 8 1995 9…

Q: Let X and Y be the two possible events of an experiment where, p(X) = 0.5, (XUY) = 0.9 and p(Y) = p.…

A:

Q: In 2008 the Better Business Bureau settled 75% of complaints it received (USA Today, March 2, 2009).…

A: In part b), sample size is 450. In part d), sample size is 200.

Q: From the following data construct the index numbers by Kelley's weighted aggregative method. Items…

A:

Q: Use the above scatter plot to decide whether the linear model fits the data well. O The function is…

A: Here use given linear model