Find the expected counts in each category using the given sample size and null hypothesis. Ho: All three categories A, B, C are equally likely; n = 1500 Enter the exact answers. Category Expected A B C

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A:

Q: use at least one social media site, broken down by age, is based on data reported by Pew as of…

A: From the above data

Q: c) Given that today is rainy, what is the probability that it will be cloudy the day after tomorrow?…

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Q: b. What is the​ p-value?

A: From the obtained results, the test statistic value is -2.00 and the test is two-tailed.

Q: Listed below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Find…

A: To find : The regression equation.

Q: Preliminary analyses indicate that you can consider the assumptions for using nonpooled t-procedures…

A: The following information has been given: x¯1=7.42              x¯2=11.67s1=1.38…

Q: Listed below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Find…

A: Let X=Right Arm and Y=Left Arm Given information: X Y X^2 Y^2 XY 101 174 10201 30276 17574…

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A: Correlation is the measure that determine the association between the variable. Correlation used…

Q: If random samples of size 1200 are drawn from a population with mean 28 and standard deviation 3 ,…

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

Q: Height, 486 x (feet) Stories, y 26 492 39 656 41 676 47 692 40 696 52 771 50 820 50 869 60

A: Given : Height x (feet) Stories , y 486 26 492 39 656 41 676 47 692 40 696 52 771…

Q: The probability the elevator is overloaded is (Round to four decimal places as needed.)

A: It is given that  Mean, μ = 179 lb Standard deviation, σ = 33 lb Sample size, n = 8 Z-Score, Z = ( X…

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A: Mean is the average of the all the observations in the data set. Mean is also known as expected…

Q: Let  χ2 = Z12 + Z22 + … Zdf2 is chi-square distribution random variable, where df = 54. What is the…

A: It is given that, χ2 = Z21 + Z22  + … Z2df  is chi-square distribution random variable, where df =…

Q: Suppose that a random variable X is measured by taking a random sample of size m, from a normal…

A: See the attachment please.......

Q: Use the given categorical data construct the relative frequency distribution. Natural births…

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Q: Situation: The Ipod Touch has been out for two years now and a lot of data has been collected.…

A: In this case the demand (y) is the dependent variable and price (x) is the independent variable.

Q: Consider the probablility model with sample space {A,B,C} and P(A)=0.5, P(B)=0.4, P(C)=0.1.Then (a)…

A: Given : P(A)=0.5, P(B)=0.4, P(C)=0.1.

Q: box contains 3 red, 4 green, and 3 yellow balls. If a ball is drawn at random, find the probability…

A: 3 red 4 green 3 yellow 10 total balls

Q: Researchers conducted trials to investigate the effects of color on creativity. Subjects with a red…

A: Given n1=39, n2=40, sample mean x̄1=3.73, sample mean x̄2=3.14, s1=0.52, s2=0.85

Q: An interested citizen wanted to know if Democratic U. S. senators are older than Republican U.S.…

A: Given that:   Democratic U.S. senators Republican U.S. senators Sample Mean x¯1=61.675…

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Q: Select the appropriate null and alternative hypothesis for the following research question: Does a…

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A: The level of significance is α = 0.01.

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A: Our estimates will deviate by how many proportions of the total degrees from the true population…

Q: L6Q4.If A and B are dependent events, to find the probability that the two dependent events would…

A: Dependent events:Two events are said to be dependent when the outcomeof the first event influences…

Q: Find the P-value for the indicated hypothesis test with the given standardized test statistic, z.…

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Q: Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample…

A: Obtain the 90% confidence interval estimate of the population standard deviation. The 90% confidence…

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Q: Find the P-value for the indicated hypothesis test with the given standardized test statistic, z.…

A: We have given that,  For the Two-tailed z- statistic z = -1.71 and  significance (α) = 0.08  Then,…

Q: The P-value bounds are not accepted as written in this solution. The confidence interval is -10.962…

A:

Q: 12)Consider the game of spinning the equal segment spinner to the right. If you spin an odd number…

A: Let X denotes the number obtained on spinning the spinner.  X can take any one of the values 1, 2,…

Q: Complete parts (a) through (c) below. (a) Determine the critical value(s) for a right-tailed test of…

A: Part a: Given: For a right-tailed test: Level of significance,a= 0.05 Degree of freedom,df=10…

Q: What numerical value would you expect the standard deviation of the averages of these sets to have?…

A: Xavg=sum of observationsno: of observations        = 175+163+171+182+185+170+180+1738…

Q: What is the value of the one-sample tt-test statistic

A: It is given that Sample size n = 28 Sample mean M = 144 Sample SD s = 22 Population mean = 150

Q: (d) Given the following joint cumulative distribution function, obtain the marginal distribution…

A: Consider the given joint cumulative distribution function.…

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Q: Pretend that you buy a $200 dollar stock. A. If the price goes up 10% on Monday, up 5% on Tuesday,…

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Q: Assume that the sample is a simple random sample obtained from a normally distributed population of…

A: Introduction: It is required to find the minimum sample size from the given table.

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A: Given data: x y 1 -1 2 2 3 4 4 8 5 9 6 13 7 17 28 52

Q: dminister claims that a particular test given to all college freshmen in the state has a mean of 87.…

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A: Given : Day No. of Absences Monday 6 Tuesday 4 Wednesday 15 Thursday 3 Friday 7…

Q: Identify the t-score for a 90% confidence interval if the sample size is 25. t = The answer isnt…

A: We have given that Confidence level (c) = 90% = 0.90 Significance level (α) = 1 - c = 1 - 0.90 =…

Q: d.  What approximate distribution can be used for X? Provide all characteristics. Check all…

A: Given: The probability that the patients in the study experienced weight gain as a side effect,…

Q: )A random variable is defined as 1/70 (2x − 1); X = - 1,2,3,4,5,6. Construct the probability…

A: Total no of observations (n) = 6 X = 1, 2, 3, 4, 5, 6 P(X=x) = (2x-1)/70

Q: Which of the following are attributes of correlation? Ocorrelation is bounded by +1 and -1…

A: Correlation: Correlation measure the relationship between the two variables. Whether it is positive…

Q: h individual lines at its various windows, a post office finds that the standard deviation for…

A: The SD for waiting times of customers is 3.97 minutes;σ=3.97 A random sample of 14 customers with…

Q: The acceptable level for insect fith i certain food tem is 5 insect fragments (arvae, eggs, body…

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

Q: The data represents the body mass index (BMI) values for 20 females. Construct a frequency…

A: Given: The BMI values for the females are- 17.7, 33.5, 26.1, 23.7, 22.1, 28.8, 21.2, 18.3, 27.6,…

Q: Impact of Sample Size on Accuracy Compute the standard error for sample means from a population with…

A: Given,population mean(μ)=80population standard deviation(σ)=30