Using a chi square distribution, find c, given the following probabilities with 22 degrees of freedom. Round your answers to three decimal places. P(x² > c) = 0.283 C = P(x² > c) = 0.67 C =

Q: Listed below are the numbers of words spoken in a day by each member of eight different randomly…

A: The data shows the numbers of words spoken in a day by each member of eight different randomly…

Q: Anita's, a fast-food chain specializing in hot dogs and garlic fries, keeps track of the proportion…

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Q: A simple random sample of 31 men from a normally distributed population results in a standard…

A: 1 Given that the claim that pulse rates of men have a standard deviation equal to 10 beats per…

Q: (a) What percentage of the population lives in affluence? (b) An amended tax law is expected to…

A: Let X be the random variable that family income. Given that, X ~ N(μ = 40,000, σ=12,000) The minimum…

Q: A newsgroup is interested in constructing a 95% confidence interval for the proportion of all…

A:

Q: (d) Develop a 95% confidence interval for this population proportion. (Round your answer to four…

A: Given that  n = 1007 , X = 573

Q: Do All Work in Excel. Consider a binomial experiment with n = 20 and p = 0.70. d Compute P(X ≤ 15)…

A: from given data we have : n=20 , p=0.70 , q=1-p=1-0.7=0.3  the random variable X follows binomial…

Q: 1) The following table shows the average wind speeds (in m/s) throughout the year for three…

A: (a). Box plot for location Fethiye:

Q: 1. Each toss of a coin results in a head with probability p. The coin is tossed until the first head…

A:

Q: What's the t value

A: From given data we have : n=36 μ=2.5,x=2.49598,s=0.01731

Q: The results of a hypothesis test are reported as follows: t(18)= 2.25, p < .05. Based on this…

A: The question is about hypo. testing Given : t ( 18 ) = 2.25 df = 18 Level of signif. ( α ) = 0.05…

Q: The Brady & Matthew Camera Company has just come out with their newest professional quality digital…

A: Given Information: The company sells the camera only through its new mobile app at a profit of $341…

Q: The cost of 5 gallons of ice cream has a standard deviation of 8 dollars with a mean of 33 dollars…

A: The question is about central limit theorem Given : Popl. mean cost of 5 gallons of ice cream ( μ )…

Q: Total plasma volume is important in determining the required plasma component in blood replacement…

A: The sample size is 42, sample mean is 37.5 and population standard deviation is 7.60.

Q: Q. 20 What is the difference between classification and tabulation?

A: We have to find difference between classification and tabulation:

Q: You may need to use the appropriate appendix table or technology to answer this question. Health…

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Q: We lose muscle strength as we age. According to early research, a lack of chemical X may contribute…

A: In a randomized trial, a chemical X and a placebo were administered to equal number of volunteers to…

Q: es. show how the values are acquired.

A: Spray 1 0.693 0.405 0.405 0.405 -0.51 -0.92 Spray 2 0.588 0 0 -0.51 -0.69 -1.2 Lotion 1.386…

Q: A study was done on proctored and nonproctored tests. The results are shown in the table. Assume…

A: Introduction: The true means for the proctored and nonproctored tests are denoted by μ1, μ2.

Q: A number of heterosexual couples, at least one of whom was HIV-infected, were enrolled in an HIV…

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Q: A survey of adults employed full-time was taken. Here are their reported numbers of hours worked per…

A: Please like....

Q: Binomial experiment with probability of success p=0.84 and n=7 trials conducted what is probability…

A: Given n=7 P=0.84

Q: Q. 16 What precautions should be taken in the planning of a statistical survey?

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Q: In a survey of 843 human resource professionals concerning challenges they faced in the workplace,…

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Q: Q. 23 State multiplicative law of probability.

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Q: A rivet is to be inserted into a hole. A random sample of n = 15 parts is selected and the hole…

A: Given that, sample size is n= 15  sample standard deviation is s= 0.008  and we’ve to test if…

Q: From the set of all triangles that are similar to the triangle ABC, similarly oriented, and inside…

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Q: The table below shows the number of state-registered automatic weapons and the murder rate for…

A: The question is about regression Given : Reg. equation : y = 0.87 x + 3.83   To find : A ) How many…

Q: 3. For each experiment, fill in the blank with the letter for the probability histogram that…

A: The probability histogram represents the probability on the vertical axis corresponding to its value…

Q: The method of tree-ring dating gave the following years A.D. for an archaeological excavation site.…

A: Given 1,264 1,278 1,222 1,236 1,268 1,316 1,275 1,317 1,275

Q: When you have your blood pressure taken, the larger number is the systolic blood pressure.…

A: The confidence level is 0.95.

Q: racing car consumes a mean of 107 gallons of gas per race with a variance of 49. If 46 racing cars…

A: Given Mean=107 Variance =49 N=46

Q: ms and a standard deviation of 0.661 kilogram. Use a 0.05 significance level to test the claim that…

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Q: What are first and second coefficient of skewness.

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Q: A box contains 1000 tickets. The values on the tickets are all different, and a histogram of the…

A: Let X denotes the value on a ticket. Given that the population size is N=1000, the sample size is…

Q: ||| O DESCRIPTIVE STATISTICS Using the IQR to find outliers in a... = 2₁ 23= (b) Find the…

A: “Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: A study was conducted about the histopathological changes in the zebra fish ovaries after a chronic…

A: Two types of data: Quantitative and Qualitative. Qualitative variable or categorical variable…

Q: Q. 22 If A and B are independent events, how about the independence of their complements A and B?

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Q: A bearing used in an automotive application is required to have a nominal inside diameter of 1.5…

A: Given n=25 Alpha=0.01 X-bar=1.4975

Q: In a randomized controlled​ trial, insecticide-treated bednets were tested as a way to reduce…

A: The question is about hypo. testing and confidence interval Given : Total no. of infants using…

Q: The head of maintenance at XYZ Rent-A-Car believes that the mean number of miles between services is…

A: From the provided information, Mean (µ) = 4639 Standard deviation (σ) = 437 Sample size (n) = 32

Q: Let x₁ = a +bt² +c+z₁, t=0, 1, 3,... where a,b and c constants and z, ~WN (0,0²). a) Let U₁ = x,…

A: Given, xt=a+bt2+c+zt , t=0, 1, 3, . . . where a, b and c constants and zt~WN0, σz2.

Q: The sample correlation between two variables X and Y is calculated to be 0.43.  Which statement…

A: The correlation never determine the relationship between two variables and it explain the strength…

Q: A simple random sample of 31 men from a normally distributed population results in a standard…

A: Solution-: Given: σ0=10,n=31,s=10.9,α=0.10 We want to  (a) Identify the null and alternative…

Q: L11046 X y 11.46 Consider the following pairs of observations: 1 3 3 3 2 1 4 7 0 2 a. Construct a…

A: Given information: x y 1 1 4 3 3 3 2 1 5 4 6 7 0 2   Find: Define null and…

Q: State whether each situation has independent or paired (dependent) samples. a A researcher wants to…

A: Solution: (a):Independent samples (b):Independent samples  Explanation: There are two different…

Q: Which one of the following hypotheses  about the causes of cirme would be the most difficult to…

A: Introduction A simple hypothesis in crime are specific statements are the relationship between 2…

Q: Answer the following. (a) The variation in the sample y-values that is explained by the estimated…

A: Solution: Given information: SSR=∑(y^-y)2 SSR= 17.2303 Regression sum of squares SSE=∑(y-y^)2=1.8111…

Q: A random sample of 40 adults with no children under the age of 18 years results in a mean daily…

A: Here, mean1 is 5.06 and standard deviation1 is 2.36. Mean2 is 4.06 and standard deviation2 is 1.97.…

Q: The amount of time high school students spend each weeknight doing homework is normally distributed…

A: From given data we have : Mean μ=52.5 standard deviation σ=51