Suppose that, for events A and B, P(A)= 0.2, P(B)= 0.85, and P(AandB)= 0.17. (i)    Calculate the probability of P(notB) P(notB)=

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A: Here, µ= 0.25 , σ=  0.0375. Here, X follows a normal distribution.

Q: The Indian River County Health Department needs to estimate the proportion of county residents with…

A: It is given that the sample size (n) is 1507 and x is 672.

Q: The operations manager in a company that manufactures car mufflers wants to determine if there are…

A: Given : Total no. of car mufflers=485 Significance level =5%

Q: y QI:: Let X₁, X₂ ~ N(0,1) 1) X1-X₂ X₁ + X2 2) (x1+x²)2 X₁-X2 what dist of 2X² 3) x² + x²

A:

Q: 14. Sponsors of a local charity decided to attract wealthy patrons to its $500-a-plate dinner by…

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Q: Suppose the average weight for a green apple is 153 grams, with a standard deviation of 27 grams,…

A: GivenFor Green apple Mean(μ)=153standard deviation(σ)=27For Red appleMean(μ)=200standard…

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A: here given ,  Patients at a hospital appear to arrive independently from each other, at a constant…

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A: We know Z score = ( x-average) / standard deviation Given : Mean=6.4 inch, sd=0.9 inch

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A:

Q: In a job fair, 5,000 applicants applied for a job. Their mean age was found to be 28 with a standard…

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Q: randomly selected sorority sisters. Brothers: 11 885 13 4 4 7 5 7 12 4 3 Sisters: 8 2 3 6 2 4 6 6…

A: Given : For Brothers given data : 11,8,8,5,13,4,4,7,5,7,12,4,3 from the…

Q: estion 20: Based on the data shown below, calculate the correlation coefficient (rounded to three…

A: Given data, X Y X*Y X*X Y*Y 1 9.41 9.41 1 88.5481 2 9.62 19.24 4 92.5444 3 10.13 30.39 9…

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Q: A company collects data on the lengths of telephone calls made by employees in two different…

A: For the sales division, the sample mean is 10.26 and the sample standard deviation is 8.56. For the…

Q: A firm uses simple exponential smoothing with trend adjustment to forecast demand, "a = 0.7" and…

A: Given that smoothing constants α=0.7 and β=0.6 FITt-1=413At-1=457Tt-1=21

Q: O The standard normal (2) distribution should be used The Student's t distribution should be used…

A:

Q: A team of researchers found that age distributions in a population of 100,000 people was not Normal.…

A: Given that A team of researchers found that age distributions in a population of 100,000 people was…

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A:

Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)…

A: By regression we mean estimation or prediction of the average value of one variable for specified…

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A: Given:   x ordered value   13 13   15 15   19 19   22 20   24 22   20 24   28 28…

Q: 0.00172187 mm 1.72187 mm 0.00000172187 mm None of the above O O O nm = = ? mm

A: Given  Conversion question : 1721.87 nm equal to ______mm One nanometer = 1* 10 -6  millimetre…

Q: Let x be a continuous random variable that is normally distributed with mean μ = 27 and standard…

A: GivenMean(μ)=27standard deviation(σ)=4

Q: In Summit County, 60% of the voter population are Democrats. What is the probability that a random…

A: Givenp=0.60n=10Let "x" be the no.of Democrats contain in a…

Q: g. Suppose our desired sample size is n=300, and we wish to ensure that the distribution of…

A: Note: The requested answers are for parts G, H and I. As only G and H parts are in the question, the…

Q: Question 5: Match each scatterplot shown below with one of the four specified correlations.…

A: Solution Given scatter plot is

Q: A biotechnology company produces a therapeutic drug whose concentration has a standard deviation of…

A: Given :-A biotechnology company produces a therapeutic drug whose concentration has a standard…

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A: Given two frequency histograms.

Q: Total claims rejected: 100 Total claims submitted: 1,000 Time period: 3 months   Calculate the…

A: Given: Total claims submitted = 1000 Total claims rejected = 100 Time period = 3 months   Formula…

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A: The objective is to determine the critical z-values for each of the given scenarios.

Q: Prove: Let X₁, X₂,..., X„ be a r.s. from N(µ,σ²) and Y₁,Y,₂,..., Y be another independent r.s. from…

A: Given the independent random variables X1, X2, . . . , Xn1~Nμ1, σ12 Y1, Y2, . . . , Yn2~Nμ2, σ22

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

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Q: According to a survey in a country, 35% of adults do not own a credit card. Suppose a simple random…

A: From the provided information, Population proportion (p) = 0.35 Sample size (n) = 200

Q: 4. Anthony claims that there will be a positive relationship between extra coaching and academic…

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Q: conducting a study to see if the probability negative a test for a certain cancer is significantly…

A: Given : You are conducting a study to see if the probability of a true negative on a test for a…

Q: According to a study conducted five years ago by the Organisation for Economic Cooperation and…

A: Given : μ = 4.9 x¯ = 5.06 σ = 0.72 n = 191 α = 0.005

Q: Four mixtures (1, 2, 3, and 4) were used to produce a bonding material. The strength of bonding was…

A: We apply the ANOVA test for a single factor, By using excel,data-data analysis- ANOVA single…

Q: An automatic filling machine is used to fill bottles with liquid detergent. A random sample of 20…

A: Given C=0.95 S^2=0.0153 n=20

Q: A particular fruit's weights are normally distributed, with a mean of 519 grams and a standard…

A: The answer is attached below,

Q: Solve the given equation for x. (Remember that e *#0 for all values of x.) Xe + e- x = 0 (Use a…

A: Given that,  x exp(-x) + exp(-x) =0 We have to find the value of x.

Q: The PTO is selling raffle tickets to raise money for classroom supplies. A raffle ticket costs $5.…

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Q: (a) Consider a t distribution with 30 degrees of freedom. Compute P(-1.46 <t<1.46). Round your…

A: a) Given data :   degree of freedom=df=30

Q: A materials engineer wants to understand the relationship between the strength of plastic cases and…

A: Solution Given data is

Q: Styles A biotechnology company produces a therapeutic drug whose concentration has a standard…

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Q: m. Choose a and ß so that this is possible with a simp not make them equal. Choose Kc so that the…

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Q: If n= 12, Σχί = 311.6, Exi²=8134.26, Eyi = 297.2, Σyi² = 7407.8, Exiyi=7687.76, SSerror = 20 Then,…

A: Given Information: n=12∑xi=311.6∑xi2=8134.26∑yi=297.2∑yi2=7407.8∑xiyi=7687.76SE=20

Q: stion 10: You are conducting a study to determine if there is a significant difference between…

A: Given data,n1=60x1=160s1=7n2=55x2=155s2=8Calculate the test statistic t ?

Q: The table to the right shows data found at a government census​ website, under a​ "Did You​ Know"…

A: Given a table shows data found at a government census​ website, under a​ "Did You​ Know" panel. We…

Q: a) What is the probability that Paul is assigned to section A? b) What is the probability that Paul…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Four types of Soda were tested to determine their effect on weight gain. The data is shown below.…

A: The objective is to determine the effect of the four types of Soda on weight gain.

Q: Question 12: Test the claim that the proportion of men who own cats is larger than 50% at the .005…

A: