An urn contains 9 red and 11 green balls. Two balls are drawn with replacement (i.e. the draws are independent of each other). Determine the probability that both balls are green 0.2025 0.2475 0.3025 0.55

Q: 1. A librarian from the University of Nairobi observed that there is a significance differences in…

A: Main Kikuyu kenya science 9 10 15 7 9 11 3 11 12 6 10 9 5 7 10 8 6     8

Q: A company manufactures light bulbs. The company wants the bulbs to have a mean life span of 1009…

A: From the provided information, Sample size (n) = 25 Sample mean (x̄) = 1014 Sample standard…

Q: 19 Match the hypothesis to the situation. Hypothesis: 1. Ho: p1=p2 2. Ho: p = .73 3. Ho: d = 0 4.…

A: Hypothesis: 1. Ho: p1 = p2 2. Ho: p = .73 3. Ho: μd=0 4. Ho: μ1=μ2  5. Ho: µ = .73

Q: The table shows the lifetimes in hours of samples from three different types of plant species…

A: Sample 1 Sample 2 Sample 3 457 454 460 461 456 458 459 458 456   455 458   452

Q: n a typical car, bell housings are bolted to crankcase castings by means of a series of 13 mm bolts.…

A: sample size(n) = 12 sample variance(s2)  = 0.0013construct 90 % ci for σ.

Q: s a savings plan for college, when their son Bob was born, the Wilburs deposited $10,000 in an…

A: This is a basic question testing the application of compound interest. We just have to plug-in the…

Q: The USA Today reports that the average expenditure on Valentine's Day is $100.89. Do male and female…

A: For male: The sample size, n1=40 The sample average expenditure (in $), x¯1=135.67. For female: The…

Q: only 30% of the time. A worker was taught the skill by one of the methods but failed to learn…

A: Two methods, A and B are available for teaching a certain industrial skill. The failure rate is 20%…

Q: What conclusion can be drawn regarding the mean speed of cars traveling through the school zone?…

A: The sample size is 36, sample mean is 16.33 and the sample standard deviation is 2.54.

Q: What is the relationship between the number of minutes per day a woman spends talking on the phone…

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

Q: In a management trainee program at Claremont Enterprises, 80% of the trainees are female and 20%…

A: event  F : female M : male B : attended college   P(F) = 0.80 P(M) = 0.20 P(B|F) = 0.90 P(B|M) =…

Q: Approximately of housing prices are between a low price of _ and a high price of _ .

A: Housing prices in a small town are normally distributed with a mean of 153,000 and a standard…

Q: In a random sample of four mobile devices, the mean repair cost was $85.00 and the standard…

A: It is given that sample mean is 85 and the standard deviation is 13.

Q: The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20…

A: The data for the concentration of organic carbon from 20 samples of soil are given.

Q: An IQ test has a mean of 96 and a standard deviation of 15. Which is more​ unusual, an IQ of 81 or…

A: The Higher z score value will be more unusual The formula of z score is give by…

Q: What are the mean and variance for the below data 73,73,73,51

A: According to the given information in this question We need to find the value of mean and variance

Q: You wish to test the following claim (Ha) at a significance level of a = 0.001. Ho : μ = 67.3 Ha : μ…

A: Answer:- Given, Hypotheses are,  H0 : μ=67.3 Ha : μ≠67.3  (Two-tailed test) Population standard…

Q: The F-statistic is the ratio of two means Typed answer will be automatically saved. Ω· X₂ X' d after…

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

Q: You are conducting a study to see if the proportion of women over 40 who regularly have mammograms…

A: Answer:- Given, The test statistic is, z = 2.61, The test is right-tailed test.  We use standard…

Q: Is the pricing different at Amazon Fresh compared to Target? A consumer report randomly selected 7…

A: Let us take two samples from the population randomly Assume both populations follows a normal…

Q: 1. Using the data sheet, determine if there was a difference between individuals who resistance…

A: Title: Comparison of Peak Force in Resistance-Trained and Non-Resistance-Trained Individuals…

Q: Month October November December January February March April May June July August September October…

A: The provided values are inserted in Excel as follows:

Q: Scenario: Is there a relationship between mood (X) and outside temperature? A researcher quantified…

A: A researcher quantified mood (X) by having participants rate themselves each day as being in a…

Q: Please do not give solution in image format thanku 10. On the roll of two dice you bet $3 that the…

A: On the roll of two dice you bet $3 that the sum is 7. If the sum is 7, you win $14 and your bet…

Q: Please no written by hand 1. For each of the following variables determine whether the variable is…

A: There are two types of variables, one is numerical which takes the quantitative observations and…

Q: Test the independence of the two variables in the table below: Enter the p-value (to 4 decimal…

A: Y

Q: 2). If a random variable X has a normal distribution with mean u = 60 and standa P(55 < X < 66) - A)…

A: Q-2)normal distributionμ = 60σ = 6P(55&lt;x&lt;66) = ?Q-3)μ = 69σ = 12n = 36μx¯ ?σx¯ = ?

Q: A group of six students decides to conduct an experiment about "brain freeze,” a phenomenon that…

A: Student Car Sun  Difference       (Sun-Car) 1 33 36 3 2 28 48 20 3 21 59 38 4 24 57…

Q: The following table shows the systolic blood pressure of 5 certified public accountants before tax…

A: The hypothesis being tested is: Null Hypothesis, H0: µd = 0 Alternative Hypothesis, Ha: µd ≠ 0 where…

Q: In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a…

A: As per our guidelines we are suppose to answer only one question kindly post the remaining question…

Q: A psychologist investigated whether there is a difference, on average, in IQ scores for twins. She…

A: given  Sample size (n) = 30 Mean difference (x̄) = 2.1 Standard deviation (s) = 7.2

Q: 42% of adults say cashews are their favorite kind of nut. You randomly select 12 adults and ask each…

A: P(say cashew are favourite nut) = p = 0.42sample size (n) = 12x = no. of adult say cashew are…

Q: Use the variable metacritic (the metacritic critic score) from data-frame fandango (need to obtain…

A: A standard normal distribution is a symmetrical distribution with mean 0 and standard deviation 1.…

Q: Dresden and Morgan both have the following loss distribution. Loss Possibility Loss Probability  $0…

A:

Q: Variable X Y R-squared Adjusted R-squared Coefficient Std. Error t-Statistic 198.737 0.6704 0.9497…

A: The regression results are given.

Q: Bob is a photographer who sells prints on consignment. Each week during the summer, Bob checks the…

A: Week Sold 1 17 2 10 3 9 4 16 5 18 6 14 7 9 8 8

Q: The following table shows the systolic blood pressure of 5 women and 5 men. Women Men 110 114 120…

A: That is, there is no difference in the blood pressures for men and women. That is, there is…

Q: Match each scatterplot shown below with one of the four specified correlations. 0 0000 О О 000 О 00…

A: The scatterplots and correlation coefficients are given

Q: Please no written by hand solution and no img A producer of a variety of salty snacks would like to…

A: Margin of error =E =0.002 Population standard deviation =0.03

Q: List the descriptive statistics that can be computed to help answer the health question on how…

A: Descriptive statistics is used to obtain the summary statistics of the data, which gives the brief…

Q: Explain what would happen if the smoothing constant in an exponential smoothing model was equal to…

A:

Q: If X₁, X₂,..., Xn are the values of a random sample from an exponential population, find the maximum…

A:

Q: As sample size increases, what happens to measures of effect size such as r2 and Cohen's d? a) They…

A: As sample size increases  what happens to measures of effect size such as r2 and Cohen's d  a) They…

Q: A manufacturer of a computer chip has found that 7% of the chips that come out of production are…

A: N = 200 P = 0.07     A). Expected number = np= 200*0.07 = 14   Standard deviation = √np(1-p) =…

Q: Why did we add p+0.2056? What is the formula for finding the width? Should it not be subtraction…

A:

Q: 2. Below is data on the number of vehicles involved in a fatal crash and city in California during…

A: Single-vehicle crash fatalities Two-vehicle crash fatalities LA 175 69 SD 61 19 SJ 49 19…

Q: Finding Probabilities in Normal Distributions Weekly salaries of college students in a large city…

A: Answer:- Given, Mean, µ = 540 Standard deviation, σ = 45  Let X be a random variable represents the…

Q: An analysis of variances produces dftotal = 39 and dfwithin = 32. For this analysis, what is 1…

A: Analysis of variance shows three types of variations. They are between, within and total variation.…

Q: Subgroups of power supply units are selected once each hour from an assembly line, and the…

A: The data relates to 25 subgroups of power supply units.  The sum of the resulting ranges for 25…

Q: There are 6 bidders whose valuations are independently and uniformly distributed between 0 and 1.…

A: