Suppose S and T are mutually exclusive events, P(S) = 20%, and P(T) = 22%. Find P(S or 7). a b C d 2% 440% 42% 4.4%

Q: A observed Which of the following is a confidence interval estimate of the true population mean of…

A: Given that, σx=1μx=10X¯observed=12

Q: A survey 144 retail stores revealed that the average price of a ZBox was $375 with a standard error…

A: Sample size n=144Mean Standard error SE=20.

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A: Building AreaHouse Prices160250170320220325240410120220120200180310120280160320140240

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A:

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A: Let us consider two samples of new design and old design from the larger population Consider the…

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A: Sample size n =40 Sample mean=32.50 Standard deviation =2.50

Q: do I interpret Shapiro-Wilk for independent samples T test when significance for each group is so…

A: The Shapiro-Wilk test is a statistical test that tests the null hypothesis that a sample or a…

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A: Sample size(n)=18 sample mean(x¯)=70 Population standard deviation(σ)=2.8 Let's assume α=0.05

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Q: 35) The mean score of a college entrance test is 500, the standard deviation is 75. The score…

A: Mean(μ)=500 standard deviation(σ)=75

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

Q: About how large a sample is needed to test the hypothesis of equal probabilities so that P (type II…

A: To test the hypothesis of equal probabilities when comparing two proportions, you can use a…

Q: Assume that the probability of a being born with Genetic Condition B is �=17/30. A study looks at a…

A: To find the most likely number of volunteers out of 286 to have Genetic Condition B, we can multiply…

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A: We have given thatMean(µ) = 0Standard deviations (σ) = 1X ~ N (µ, σ )= N(0, 1)

Q: #10. The value of a) 1.948 20 7 11 5 9 6 9 rounded to 3 decimal places, is b) 14094.545 c) 1.998 d)…

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

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A: From the given calculation in part (a)    Mean, μ=12.75variance,σ2=13.02therefore,      standard…

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A: The…

Q: how about part D, how to solve that?

A: The information provided in the question are as follows :-…

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

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Q: The test statistic of z= - 1.81 is obtained when testing the claim that p < 0.51. a. Using a…

A: Given thatThe test statistic (Z) = -1.81claim : p &lt; 0.51Since the claim is defined less than thus…

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A: In this question, we are given a mortality study consisting of 10 individuals, and the recorded…

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

Q: Calculate the GPA of a student with the following grades: 8 (15 hours), D (12 hours), C (7 hours).…

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

Q: Got a Pet? In a neighborhood of 95 homes, 35 have pets. Suppose that 12 homes are selected at…

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A:

Q: I am planning to investigate the effect of time of day on number of road accidents. The linked…

A: Statistical testing is a powerful tool used in data analysis to draw meaningful conclusions and make…

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Q: Percentage of People Who Completed 4 or More Years of College Listed by state are the percentages of…

A: 21.4,26.0,25.3,19.3,29.5,35.0,34.7,26.1,25.8,23.4,27.1,29.2,24.5,29.5,22.1,24.3,28.8,20.0,20.4,26.7,…

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A: Probability of the sample eggs tested positive for the salmonella bacterium(p)=0.23sample…

Q: How many computers? In a simple random sample of 170 households, the sample mean number of personal…

A: It is given that the sample mean is 1.64 and the population standard deviation is 0.26.

Q: Based on the above data and values, could please determine if the factor "Career" is a valuable one?

A: From the previous question:The 95% confidence interval for the mathematical expectation of Career 1…

Q: a. Find the quartiles. The first quartile, Q₁, is 56. The second quartile, Q₂, is 58. The third…

A: The data is given from 15 observations. To find the quartiles, IQR, and outliers.

Q: The correlation in the data image below is ... O positive, but not +1. zero. none of the above.…

A: Relationship between two variables is depicted

Q: Your regression of 45 observations and 4 regressors shows a R = 0.29. What is the value of R²? Enter…

A: The question is about regressionGiven :No. of obs. ( n ) = 45No. of regressors ( k ) = 4 = 0.29To…

Q: Assume that a procedure yields a binomial distribution with n = 1382 trials and the probability of…

A: Assume that a procedure yields a binomial distribution with trials and the probability of success…

Q: 74% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal…

A: sample size(n)=45p=0.74Let "x" be the no. of dogs are spayed or neuteredx~Binomial(n=45 ,…

Q: The data show the distance (in miles) from an airport of a sample of 22 inbound and outbound…

A: We are given that…

Q: a. Determine the sample proportion, p, of "successful" people. b. If the population proportion is…

A: n = 56x = no of successful people = 14

Q: A newsgroup is interested in constructing a 90% confidence interval for the proportion of all…

A: sample size(n)=544x=442confidence level=90%

Q: 5. Let the non-homogeneous Poisson process has the following intensity a(t) = -t² + 2t+8, 0≤t≤4 a.…

A: In this problem, we are given the intensity function of a non-homogeneous…

Q: born with Genetic Condition B is �=19/20. A study looks at a random sample of 901 volunteers. Find…

A: To find the most likely number of the 901 volunteers to have Genetic Condition B, we can multiply…

Q: Find the mean, median, and mode of the data, if possible. If any of these measures cannot be found…

A: Here given data in assending order is  12, 22, 35, 51, 54, 69, 84, 84, 112, 112Here,total number of…

Q: Consider a sample of 51 football games, where 27 of them were won by the home team. Use a 0.10…

A: n=51x=27and

Q: Neighborhood Insurance sells fire insurance policies to local homeowners. The premium is $240, the…

A: As per our guidelines, we are supposed to answer only 3…

Q: Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval…

A: To find the 99% confidence interval for a sample proportion, we can use the formula:CI = p̂ ± z *…