Consider a project that has been modeled as follows:ActivityImmediate PredecessorsOptimisticMost Probable PessimisticA83776.DA71214A34FA, B9.12C68.H.C46.8.E,F.G712H121314KD,IJ34.What is the probability it takes longer then 30 ?O.12O.83O.17O 22B.

ACTIVITY PRECEDCESSORS OPTIMISTIC MOST PROBABLE PESSIMISTIC EXPECTED TIME A - 2 2 8 3 B - 2 3 7…

Answered: Consider a project that has been…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 20 students in a beginning computer-science course. The results were as follows. x 5 17 21 14 21 22 16 21 18 17 17 16 7 7 4 21 17 10 18 15 y 19 19 24 36 27 26 25 28 17 27 21 24 18 18 14 28 21 22 20 21 (a) Find the equation of the line of best fit. (Round your slope to four decimal places and your y-intercept to three decimal places.) Y = _________ + ___________ x(b) Find Se2. (Round your answer to two decimal places.)
can you find two tailed test p value for given data sample size 14 test statistics -2.23
The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 20 students in a beginning computer-science course. The results were as follows. x 3 15 19 14 23 22 14 21 18 15 17 16 7 5 4 21 17 12 18 13 y 19 19 24 36 27 26 25 28 17 27 21 24 18 18 14 28 21 22 20 21 (a) Find the equation of the line of best fit. (Round your slope to four decimal places and your y-intercept to three decimal places.)y=_______ + _______ x(b) Find se2. (Round your answer to two decimal places.) ________
please help me solve these
Consider the following data set x: 1 2 3 4 5 y: 4 4.4 5.2 6.4 8 Fit it to a linear model and a quadratic model. Which model is better, and how do you know?
The table shows per capita peach consumption.t Per Capita Consumption of Peaches (pounds) 1 2 Additional Materials eBook 3 4 5 6 Price (above $1.50 per pound) 0.10 0.20 0.30 4.8 4.7 6.2 6.1 7.0 6.9 7.6 7.5 8.0 8.0 8.4 8.3 8.3 0.00 5.0 4.9 6.4 6.3 7.2 7.1 7.8 7.7 8.2 8.1 8.6 8.5 (a) Find the function of the logarithmic cross-sectional model that gives per capita consumption of peaches at a price of $1.60 per pound, where f represents yearly family income in tens of thousands of dollars, with data from 1 ≤ f≤ 6. (Round all numerical values to three decimal places.) c(0.10, f) = 0.50 4.6 6.0 6.8 7.4 7.4 7.9 7.8 8.2 lb 0.40 4.7 6.1 6.9 (b) Calculate per capita peach consumption for families with a yearly income of $25,000 when the price is $1.60 per pound. (Round your answer to one decimal place.) lb
Suppose that the (unit) price is P=$2. Using the information given by the table, how many units should be bought to maximize the buyer's gains from trade? 9 0 1 2 3 4 5 A. 1 unit. B. 2 units. C. 3 units. D. 4 units. O E. 5 units. V (q) $0 $10 $19 $22 $25 $26
1. A researcher is interested in knowing if there is a relationship between the years presented in the table below and the average number of people in a family receiving welfare benefits. Year Average Family Size 1969 4.0 1973 3.6 1975 3.2 1979 3.0 1983 3.0 1988 3.0 1991 2.9 a. What are your conclusions and observations about the relationship between the two variables b.What is the value of the intercept a? c. What is the value of the slope b? d. Write the linear regression equation
The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 20 students in a beginning computer-science course. The results were as follows. x 5 17 21 14 21 22 16 21 18 17 17 16 7 7 4 21 17 10 18 15 y 19 19 24 36 27 26 25 28 17 27 21 24 18 18 14 28 21 22 20 21 (a) Find the equation of the line of best fit. (Round your slope to four decimal places and your y-intercept to three decimal places.) = + x(b) Find se2. (Round your answer to two decimal places.)
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Consider a project that has been modeled as follows: Activity Immediate Predecessors Optimistic Most Probable Pessimistic A 8 7. C D 12 14 A 4 A, B 6. 12 4 6. 8. H C 4 6. 8. E.F.G 12 2.