A tidal wave or tsunami is usually the result of an earthquake in the Pacific Rim,...
tn Hawaii shark attacks sre very rare. Prthermore, "bekR SS% of shark attacks ore won, ba not include brie, statistical profte regarding the most recent rine 'hark "etsek. ofwMh wee nothtal. เฮ , be the ettacks (a) Make a histogram for the probability distribution of r 030 030 0 25 0.20 ois 010 25 015 005 0 25 0 20 015 25 0 20 0.15 ถเอ 0 05 005 (b) What is the probability all nine shark attacks are nonfatal?...
In Hawaii shark attacks are very rare. Furthermore, about 55% of all shark attacks are serious, but not fatal.t You are scheduled to give a talk at a local scuba club in Honolulu and want to include a brief statistical profile regarding the most recent seven shark attacks, all of which were nonfatal. Let r be the number of nonfatal attacks out of a random sample of seven shark attacks (a) Make a histogram for the probability distribution of r...
(All answers were generated using 1,000 trials and native Excel functionality.) A project has four activities (A, B, C, and D) that must be performed sequentially. The probability distributions for the time required to complete each of the activities are as follows: Activity Activity Time (weeks) Probability A 5 0.25 6 0.35 7 0.25 8 0.15 B 3 0.20 5 0.55 7 0.25 C 10 0.10 12 0.25 14 0.40 16 0.20 18 0.05 D 8 0.60 10 0.40 (a)...
The following partial MINITAB regression output for the Fresh detergent data relates to predicting demand for future sales periods in which the price difference will be. 10 Predicted Values for New Observations New ObsFit SE Fit 1 8 .0806 0.0648 2 8 .4804 0.0586 95% CI (7.9479, 8.2133) (8.3604, 8.6004) 95% PI (7.4187, 8.7425) (7.8209, 9.1398) Click here for the Excel Data File (a) Report a point estimate of and a 95 percent confidence interval for the mean demand for...
Using the following data, calculate the work done by stretching a spring knowing that W-İ Fdr. Use Simpson's Rules to perform the integration. a) Show all your work and final answer shall have unit with 3 decimal places. (20%) F, (kN)00.01 0.032 0.080.123 0.31 x, (m) 0 0.05 0.10 0.15 0.20 0.25 b) If data is being given as follows, describe in details on how you will use Simpson's rule(s) to solve. Do not write down any equation and do...
Fifteen items or less: The number of customers in line at a supermarket express checkout counter is a random variable with the following probability distribution. x 0 1 2 3 4 5 Px 0.05 0.25 0.35 0.20 0.10 0.05 Compute the standard deviation σX. Round the answer to at least three decimal places.
Rate of Return if State Occurs State of Probability of Economy State of Economy Stock A Stock B Stock C Boom 0.10 0.18 0.48 0.33 Good 0.30 0.11 0.18 0.15 Poor 0.40 0.05 -0.09 -0.05 Bust 0.20 -0.03 -0.32 -0.09 a. Your portfolio is invested 25 percent each in A and C and 50 percent in B. What is the expected return of the portfolio? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal...
In Hawaii shark attacks are very rare. Furthermore, about 55% of all shark attacks are serious, but not fatal.† You are scheduled to give a talk at a local scuba club in Honolulu and want to include a brief statistical profile regarding the most recent nine shark attacks, all of which were nonfatal. Let r be the number of nonfatal attacks out of a random sample of nine shark attacks. (a) Make a histogram for the probability distribution of r....
You are given the probability distribution below: x 0 1 2 3 4 p(x) 0.05 0.35 0.25 0.20 0.15 Determine the standard deviation of X. Report your answer to three decimal places.
Consider the probability distribution for the random variable x shown here. Complete parts a through c below. x 30 40 50 60 70 80 p(x) 0.05 0.20 0.30 0.20 0.10 0.15 a. Calculate μ,σ2,and σ. μ=__________(Type an integer or a decimal. Do not round.) σ2=__________(Type an integer or a decimal. Do not round.) σ=____________(Round to three decimal places as needed.)