Question:

For this issue, pass on in any occasion four digits after the decimal in your assessments. Answers may vary possibly due to changing.

In a sporadic illustration of 61 master performers, it was found that 39 were cordial people.

(a)

Permit p to address the degree of all performers who are outgoing people. Find a point check for p. (Round your reaction to four decimal spots.)

(b)

Find a 95% sureness stretch for p. (Round your reactions to two decimal spots.)

lower limit

greatest limit

Give a short comprehension of the meaning of the assurance length you have found.

We are 5% certain that the certifiable degree of performers who are extroverts falls inside this interval.We are 95% sure that the veritable degree of performers who are friendly individuals falls inside this stretch. We are 5% certain that the veritable degree of performers who are extroverts falls more than this interval.We are 95% sure that the authentic degree of performers who are friendly individuals falls outside this range.

(c)

Do you think the conditions np > 5 and nq > 5 are satisfied in this issue? Explain why this would be a huge idea.

In reality, the conditions are satisfied. This is critical because it licenses us to say that p is around binomial.No, the conditions are not satisfied. This is critical because it grants us to say that p is around binomial. No, the conditions are not satisfied. This is critical because it grants us to say that p is generally normal.Yes, the conditions are satisfied. This is critical because it grants us to say that p is around customary.

Two sensible spinners are turned. The primary spinner can convey results from 1 to 4. The ensuing spinner can make results from 1 to 5. Permit the sporadic variable X to address the aftereffect of the chief spinner. Permit the sporadic variable Y to address the consequence of the resulting spinner.

a) Find the probability course for X

b) Find the probability course for Y

c) Find the probability course for X + Y.

For the trial of drawing a lone card from a standard 52-card deck, find (b) the odds for the going with event.

..3..

Neither a spade or an ace

Generously answer: (b) The odds, in enhanced construction, for the event of the card being neither a spade nor an ace are ____ to _____.

P.S. I understand that (a) is 9/13, so if it's not all that much difficulty, help with (b).

53. Based on class discussions, companies that want to compute the price elasticity of their products will better using A) A regression analysis using natural logarithms B) A multiple-simple regression analysis C) A scatter gram D) A logistic regression analysisV. On graph "A", draw scatter plot data that would be significantly different using an ANOVA analysis but not a regression analysis. On graph "B", draw scatter plot data that would be significantly different using a regression analysis but not an ANOVA analysis. (1 point each) A. B. (hint - use three different x-values for the x-variable)CHAPTER 12. SIMPLE LINEAR REGRESSION . In what situation do you use regression analysis? . In regression analysis, how many degrees of freedom are there for SSR, SSE, and SST? . What is the relationship between ANOVA and regres- sion analysis? . What are the "residuals" in regression analysis? . In regression analysis we write Y = (Bo + Bix) + E. What are Bo, B1, and &? . Give a formula for the coefficient of determination R2. . What does "regression line" mean in regression analy- . What does it mean when R is big? sis? . What values are possible for R- in regression analysis? . Write a formula for the regression line p(x) using x, j, Which values are better? and B1. . How many degrees of freedom do Bo and , have? . Name one point that all regression lines go through. . What hypothesis does the F-test in regression analysis . Name four things that affect the size of the confidence interval around the regression line. test? . In regression analysis, what does MSR, MSE, and MST * At which value is the confidence interval for a regres- stand for? sion line the most narrow? . In regression analysis, what is the equation relating . Why does the confidence interval for a regression line SSR, SSE, and SST? get wider as x moves away from X?TB MC Qu. 8-44 Which of the following provides the most Which of the following provides the most accurate cost estimation? Multiple Choice ok O Regression analysis with R-squared of 0.12. O Regression analysis with F value of 1.2. ices O High-low method. O Regression analysis with R squared of 0.89