Use the table below to answer the question: Activity U W X Y Z Immediate Optimistic Predecessor Estimate a. 35 days. O b. 85 days. O c. 45 days. O d. 0 days. O e. U, V V X W, Y (time in days) What is the estimated slack time for activity W? 35 28 26 28 26 36 25 days. Most Likely Estimate 50 40 35 40 29 60 Pessimistic Estimate 65 52 44 52 38 84

Q: A random variable y is assumed to follow a uniform distribution for values 20 ≤ x ≤ 30. Values of X…

A:

Q: The test statistic of z = 2.61 is obtained when testing the claim that p = 0.709. a. Identify the…

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Q: Find the sample variance s² for the following sample data. Round your answer to the nearest…

A: x2352920400152253196127729 = 116   = 2844

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A: AttendanceNorthSouthWest88104554782484976966855091186291916369344426823471375764

Q: You wish to test the following claim (Ha) at a significance level of a = 0.05. Ho : μ = 88.3…

A: Sample size (n) = 119Sample mean (M) = 84.4Sample standard deviation (SD) = 14.1Level of…

Q: A data set about speed dating includes "like" ratings of male dates made by the female dates. The…

A: Sample  size(n)=192Sample mean()=5.58Sample standard deviation(s)=2.03and =0.05

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A: Answer:- Given data values are, 1488, 2394, 1242, 418, 1085, 1906Using formula, Unusual values are…

Q: Given this table, find the probability of x les 0 1 2 P(x) 0.50 0.25 0.25 X 0.75 0.25 1 0 0.50

A: Pmf of X isx012P(x)0.500.250.25

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A: The measure of central tendency that represents the average value of the data is termed the 'mean'…

Q: What percent of the data is below 130?  What percent of the data is above 150.8?  What percent of…

A: Given that,To find the following percentages.

Q: a) What is the probability P(X 101.5)? c) What is the probability P(99.3 < X < 100.5)?

A: Given that population mean =100Population standard deviation = 15Sample size = 900

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Q: A physics class has 40 students. Of these, 17 students are physics majors and 13 students are…

A: N = 40n(physics major) = 17n(female) = 13n(physics major and female) =2P(female and physics major) =…

Q: We want to test whether the response time for the police during an emergency in Australia meets the…

A: Sample size, Sample mean, Population sd,

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A: The prior probability, The conditional probabilities are: and

Q: 1. A researcher finds out that the average number of new cases of COVID-19 in the Philippines per…

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Q: LEMS 1. Statistical Literacy Consider the mode, median, and mean. Which average represents the…

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Q: 1. Find the mean, variance and standard variation. 2, 4, 5, 6, 8, 9, 12 sonsja argiew

A: Given data is24568912

Q: Q1: /Date for a map (X and R Chart) of a company "Sky energy" to product "Solar photo voltaies."…

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Q: The poverty rates for white and blacks in the U.S were compared for a period of twelve years with…

A: WhiteBlack9.130.99.732.49.6338.830.8828.96.927.86.927.5728.27.127.97.727.16.826.9727.8

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A: Population standard deviation()=10.8 lbMargin of error(E)=0.20 lb

Q: (Question 4) In the simple linear regression model, Vipit tôn suppose that Ele|X₁] = 2. Show that…

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A: The no. of available digits to form passwords are 0,1, 2, 3, 4, 5, 6, 7, 8, and 9.The no. of digits…

Q: You wish to test the following claim (Ha) at a significance level of a = 0.10. Ho: μ = 87.1 H„ : μ <…

A: Significance level()=0.10The null and alternative hypothesis isH0:Ha:The sample data set…

Q: Find test statistic

A: Using the provided values:x̄₁ = 18.56x̄₂ = 21.46s₁ = 1.53s₂ = 2.34n₁ = 37n₂ = 37

Q: Step 2 of 2 :   Find the standard deviation of the number of education majors in the sample. Round…

A: Given that n = 30 , N = 150 , K = 50 30 freshman are randomly selected (without replacement). So we…

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A: Let p be the proportion of the people with the genetic mutation. Given that p = 2% =  0.02Let X…

Q: why did you add .032 when you did not list it p(x=6)?

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Q: The test statistic of z= 1.48 is obtained when testing the claim that p > 0.2. a. Identify the…

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A: Given the probability density function of the random variable X:,

Q: Evaluate,C. O a a 9 1 5,040 Ob Ос Od 7

A: We know thatThe formula for combination isC(n, r) = nCr            = n!/(n-r)!r!

Q: You wish to test the following claim (Ha) at a significance level of a = 0.02. d denotes the mean of…

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Q: What is the P-value for this hypothesis test

A: The test statistic is 2.60.

Q: Each of 7 students reported the num 9,12,7,16,11,17,20 Send data to calculator Find the mean number…

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Q: Open et up the ANOVA table for this problem. Show the entries to 2 decimals, if necessary.…

A: System ASystem BSystem CController 1161518Controller 2141415Controller 3111216Controller…

Q: A data set about speed dating includes "like" ratings of male dates made by the female dates. The…

A: Sample  size(n)=192Sample mean()=5.58Sample standard deviation(s)=2.03and =0.05

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A: It is given that among the 1001 respondents, 67% rated themselves as above average drivers.

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Q: b) Use the cumulative relative frequency plot from part (a) to answer the following questions.…

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Q: A poll of 2,188 randomly selected adults showed that 90% of them own cell phones. The technology…

A: