A survey of women who are the main meal preparers in their households reported that 80% know that high fat intake may lead to health problems.  Suppose that this survey was based on a random sample of 750 women with mean equal to 100. With 95% confidence level, How accurate do you expect this percentage to be in estimating the actual population percentages?   Question 9 options:   No correct answer   Within 0.029   Within 100.029   Within 99.971

Q: a) u is known 5) µ is unknown. in each case ( a) and b) ) use Tables to find the values for…

A:

Q: What is the t-value for a 95% confidence interval given that the sample size is 16? Write the exact…

A: Given: confidence level =95%  Sample size n=16  Then degree of freedom for t-test is =n-1  To find…

Q: 30. Construct a 85% confidence interval around the sample mean of the decrease in diastolic pressure…

A: We have given that,  Sample mean = 11.399, Standard deviation= 13.309 and sample size (n) = N = 991

Q: 3. Let X ~ binomial(n, p) and Y ~ binomial(m, p) be independent. a. Derive the MGF of W = X + Y. b.…

A:

Q: Thefollowing data is from the 2018 National Health Immigrant Survey. Please examine the data and…

A: Chi square test is used to determine whether there is any relationship between two categorical…

Q: Information on the type of industry is provided for a sample of 50 Fortune 500 companies. Industry…

A: The number of companies is 50.

Q: Cafe Espresso is a very popular coffee shop at UCI. The owner of Cafe Espresso notices that on…

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

Q: 23.15 a barber runs a one-man shop. he does not make appointments but attends customers on a…

A: Given information: As per guidelines we will only answer the first three subparts, please repost…

Q: Disability causes 48% of all mortgage foreclosures. Given that 20 mortgage foreclosures are audited…

A:

Q: puppies and recorded how many ounces of food they ate during a given time period, He kept track of…

A:

Q: (Use T for true and F for false in your answers) Use this truth table to answer questions a), b)…

A: The truth table is based on the logical operators. Logical operators provide the connections to the…

Q: With the growth of cryptocurrency providers, an IT researcher decides to test out whether there is…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

Q: There are hundreds of apples on the trees, so you randomly choose just 55 apples and get a mean…

A:

Q: The following table shows the gold prices in recent 4 years: Price Price Index Year (USS per ounce)…

A: The following information has been given: Year Price Base year Price(2018) 2018 1328 1328…

Q: The numbers of hours worked (per week) by 420 statistics students are shown below. Number of Hours…

A:

Q: predict resid, residuals gen residsq - resid^2 regress residsq bdrms sqrft Source s df MS Number of…

A: In the given table we have given that, a regression analysis table with two independent variables,…

Q: Identify the sampling procedure used in each given research titles. Provide justification for your…

A: We should use stratified sampling for this experiment,

Q: Let X = U4) out of 8 standard ordered uniforms and Y = U(5) out of 8 standard ordered uniforms. 1.…

A: From the given information, X=U(4) out of 8 standard ordered uniform and Y=U(5) out of 8 standard…

Q: Oliver queen is able to hit the bull’s-eye 72% of the time if he shoots 24 arrows what is the…

A:

Q: Justine is an analyst for a sleep study center. She believes that the average adult in a certain…

A:

Q: The number of sick days taken (per month) by 200 factory workers is summarized below. Number of…

A: Given that

Q: Find the value of the linear correlation coefficient r. 19.3 23.4 10.3 17.7 23.2 3 3 0.056 -0.236…

A: Given that    X Y X \cdot YX⋅Y X^2X2 Y^2Y2   19.3 3 57.9 372.49 9   23.4 3 70.2 547.56 9…

Q: t of 4. A parent advisory board for a certain university was concerned about the effect of part-time…

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

Q: A child mixes 10 good and three dead batteries. To find the dead batteries, his father tests them…

A:

Q: et x be a random variable that represents hemogiobin count ((HC) in grams per 100 mi ters of whole…

A: Given : 15 18 15 20 15 12 15 16 17 11 Sample size (n)=10

Q: Let X1,., Xn be iid Poisson(0). Assume the prior distribution on 0 is Gamma(a, 1/c) with pdf ca -…

A: Given: fprior θ=cααθα-1e-cθ                    θ>0X1,X2,X3,X4,................Poissonθ

Q: Which argument/s is/are valid? 1. Marie is hardworking. Therefore Marie is hardworking and generous.…

A: An argument can be categorized as valid or invalid based on criteria.

Q: 8) For a random sample of size 64, find the probability that the sample mean will lie between…

A:

Q: Use this scenario to answer the following question: A clinical psychologist is trying to find the…

A: The formula to compute the effect size is, η2=SSbetweenSStotal

Q: To estimate the population mean µ with a 85% error margin of 2.5 units, 10) one has determined that…

A:

Q: leading magazine (like Barron's) reported at one time that the average number of weeks an individual…

A:

Q: Asian Hong Kong airlines Company plans to randomly select total l00 passengers to join the customer…

A: The objective is to define an appropriate sampling method for the specified information and obtain a…

Q: Q5/ Use Linear Regression to fit the following data: 1 3 4 6. Y 4 10 10 9. 8. 5 00

A: The given data is, X Y 0 4 1 9 2 10 3 10 4 9 5 8 6 3…

Q: What is the 95% confidence interval estimate of the mean time it takes an individual to complete a…

A:

Q: 4. A recent study stated that if a person smoked, the average of the number of cigarettes he or she…

A: Given that  Hypothesized Population Mean (\mu)(μ) = 1414 Population Standard Deviation…

Q: economy of cars manufactured in 2012. Use these statistics to calculate a 98% confidence interval…

A: Lower bound=-5.400 Upeer bound =1.670

Q: The lengths, in inches, of adult corn snakes have an unknown distribution with a population mean of…

A:

Q: A certain group of test subjects had pulse rates with a mean of 81.2 beats per minute and a standard…

A: Given : Mean of pulse rates ( μ ) = 81.2 beats per minute Std. deviation of pulse rates ( σ ) = 12.9…

Q: The standard normal curve is a normal distribution that has a mean equal to 0 and standard deviation…

A:

Q: The standard normal curve is a normal probability distribution that has a mean of 1 and standard…

A: standard normal distribution:-x~N(μ,σ2) then z=x-μσ~N(μ=0,σ2=1)               ~N(0,1)is called…

Q: Determine the least squares linear regression

A: The given information is x y xy x2 0 2 0 0 1 3 3 1 2 7 14 4 Σx=3, Σy=12, Σxy=17,…

Q: insured $1000 payable at the end of the year of death. Let us suppose that the life is subject to a…

A:

Q: Given that the mean μ=20 and the standard deviation σ=4, find P (15 < x < 25)

A:

Q: In a paper mill, four machines and four operators are in the production lin It is of interest to…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: 1. Find the areas under the normal curve. A. Right of z = 2.13 B. Left of z = -1.03 C. Right of z =…

A:

Q: Но : M z 1050 H1 : µ 1050 Suppose that you also know that o n = 85, ã = 1007.6552, and take a = 0.1.…

A:

Q: The test statistic of z = - 2.88 is obtained when testing the claim that p# 0.375. This is a…

A: We have given that Test Statistics z = -2.88 Claim : p ≠ 0.375 (two tailed test) Significance level…

Q: Summarize your data in the table (see attached) Compute for the mean. Present your data in a table…

A: If X1, X2,...., Xn be a random sample of size n, the sample mean is given by x¯=1n∑i=1nxi The sample…

Q: Based on the average value and standard deviation, the battery is said to be an out of control…

A: Here Given  x¯=12 Hrs  S=2 Hrs

Q: Consider the following sodium content of 26 randomly picked canned food. Propose ropriate data…

A: Given information: Sodium content of 26 randomly picked canned food. MINITAB Procedure: Choose Stat…