A manager wants to see if geographical region (Cape Town, Durban and Gauteng) is related with ownership of a tablet (“Have a tablet” and “No tablet”). Define the null hypothesis and the alternative hypothesis.

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A: We need to write the Hypothesis for the given data as follows.

Q: A factorial experiment involving two levels of factor A and three levels of factor B resulted in the…

A: The data shows the two levels of factor A and three levels of factor B.

Q: 17.4 17.04 5.86 P(X=x) -23 0.50 [Choose] [Choose ] [Choose ] -17 0.25 -9 0.15 -3 0.10

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Q: QUESTION 10 The table below indicates the accuracy of a local weather report with respect to rain or…

A: Given that  Total = 105 + 15 + 40 + 205 = 365 Note : According to bartleby experts question answers…

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A: From the provided information, Sample size (n) = 12 Level of significance (α) = 0.10 The difference…

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Q: QUESTION 8 Suppose that the duration of trouble-free operation of a new vacuum cleaner is normally…

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Q: (d) Tomorrow, the same local weather report will be given. Estimate the probability that it will be…

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A: Given  Population mean μ=40 95% CI for population mean μ (38.26643,48.24607)

Q: 1. Suppose that a random variable X has a continuous uniform distribution 1 f(x) = {2' 4≤x≤6 0,…

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Q: You may need to use the appropriate technology to answer this question. Consider the experimental…

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Q: Groups of adults are randomly selected and arranged in groups of three. The random variable x is the…

A: We have given the following probability distribution table x P(x) 0 0.358 1 0.448 2 0.168…

Q: (Round to three decimal places as needed.) d. DNI is unable to adjust the mean of the filling…

A: Given that.   X~N( μ , ?)   μ=34     , ?=1.74   Z-score =( x - μ )/?

Q: this was completely wrong, and it took me more than hour

A: Given that We have to find  a.. Compute the mean and standard deviation of the random variable X,…

Q: d) At least how long would a croaker fish need to be in order to be in the top (longest) 8% of the…

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Q: Let X₁,..., Xn be exponential with parameter X. Calculate the MLE of X.

A: It is needed to find the male of λ.

Q: 7. Twelve identical letters are to be placed into 4 mail- boxes. (a) In how many ways can this be…

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Q: (e) Compute the mean μx. Round the answer to two decimal places. Mx X S

A: Given that  The probability distribution table is given. x 0 1 2 3 4 P(x) 0.35 0.38 0.19 0.05…

Q: Can you show how did summation of x^2  resulted to 19,916.

A: Here, we have the x values ( percentage containing ads ) are: 37,43,58,49,70,28,65,32

Q: Records show that the average number of births at Highland Hospital per hour is 8.1. Find the…

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Q: Consider that blood pressure readings are obtained from nearly 200,000 participants in a a…

A: It is given that  Mean, μ = 90 Standard deviation, σ = 13

Q: Find the z-score having area 0.86 to its right under the standard normal curve. 0.8051 -0.5557 1.08…

A: P(Z>0.86)=?

Q: For major league baseball teams, is there a relationship between player payrolls and gate money?…

A: Given data is x y xy 59.2 25.56 1513.152 80.5 40.74 3279.57 97.0 31.98 3102.06 42.3 24.07…

Q: table if needed to make it work  x -2 2 4 1 P(x=x) 0.21 -0.03 0.32 0.18 Give a 2-decimal answer for…

A: Given that table   x                 -2      2     4      1 P(x=x)    0.21 -0.03 0.32 0.18

Q: Chapter 25. Suppose that a researcher is interested in the effect of an exercise program on body…

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Q: Using a) the formula and b) the table, calculate the Poisson probability when μ = 4, if x= 8.…

A: Poisson probability : P(x,μ) = ( e-μ * μx)/x! μ=4  X=8

Q: QUESTION 1 Which of the following are true when considering the difference between two means? ☐ A…

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Q: What happened to the confidence interval after increasing the confidence level? Give the width of…

A: Given that  90 % confidence and 95% confidence.

Q: When studying radioactive​ material, a nuclear engineer found that over 365​ days, 1,000,000…

A: Given that : When studying radioactive​ material, a nuclear engineer found that over 365​ days,…

Q: Consider the given set of data. Construct a FDT. n=43 53 19 46 50 48 47 49 46 48 29 50 41 37 50 42…

A: Data is given : We have to construct frequency table by determining : Range , classes and frequency…

Q: Use a 0.05 to test for any significant differences. State the null and alternative hypotheses. O Ho:…

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Q: Q1) When someone presses SEND on a cellular phone, the phone attempts to set up a call by…

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Q: 2030 2020 2010 2000 1990 1980 1970 1960 1950 0 Metal Generated 5000000 10000000 15000000 20000000…

A: We need to interpret the given scatter plot. The above scatter plot shows a relationship between two…

Q: 20. The following statements are true about the computation of the grouped mode EXCEPT O The grouped…

A: The objective is to identify the statement that is not true about the computation of grouped mode.…

Q: Suppose a jar contains 6 red marbles and 29 blue marbles. If you reach in the jar and pull out 2…

A: Red = 6 Blue = 29 Total= 35 Probability= favorable/total  2 marbels drawn without replacement.

Q: Blood Types: The following table summarizes blood types for 100 typical people. For example, a…

A: From the provided information,   O A B AB Total Type Rh+ 37 36 9 3 85 Type Rh- 7 6 1 1 15…

Q: Suppose that on a particular multiple choice question, 96% of the students answered correctly. What…

A: Given information- We have given that on a particular multiple choice question 96% of the students…

Q: I need help finding a null and research hypoithesis from the data in the images I uploaded.

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Q: letter doesnt ma

A: Given information: Mean birth weight for boys is 3.41 and standard deviation is 0.55 kg. Let X be…

Q: Construct a 99% confidence interval of the mean drive-through service times at dinner for Restaurant…

A: From given data we have : Restaurant Y 100 125 149 114 177 131 114 128 133…

Q: The random variable x is the number of x | P(X=x) 0 1 2 3 4 5 6 7 3.5 Find the mean of the…

A: Data given Find  E(x)=mean

Q: The lifetime of a certain brand of electric light bulb is known to have a standard deviation of 46…

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Q: The data in the table to the right represent the calories and sugar (in grams) in one serving of…

A: From given data we have : n=7 Calories (x) Sugar (y) 79 5 103 1 102 3 109 4 133 3 194…

Q: 3. At the time of the Avery case, there were 165,814 African-Americans in the Fulton County…

A: Suppose there is a finite population of size N that contains exactly K objects that has a specified…

Q: A survey found that the American family generates an average of 17.2 pounds of glass garbage each…

A: Given information- Population mean, µ = 17.2 pounds Population standard deviation, σ = 2.5 pounds…

Q: Find the probability of the given event. A single fair die is rolled. The number 1/36 1/3 1/2

A: From the given information, a single fair die is rolled. The outcomes are {1, 2, 3, 4, 5, 6}. Total…

Q: The distribution of Master's degrees conferred by a university is listed in the table. Assume that a…

A: major frequency  maths 229 english 203 engineering 86 business 176 eduacation…

Q: 8. Odd or Even: You ask 30 people to choose a number between 1 and 10, and 22 of them choose an odd…

A: Solution-: Given: 30 people to choose a number between 1 and 10, and 22 of them chose an odd number.…