Calculate the following values: 1) mean,

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A: Candidates :  A, B, C Total voters : 100 A:35 B:28 C:37 We have to tell, it is significant or not.

Q: According to the Malaysian Diabetes Association, 25% of Malaysians aged 60 years or older had…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

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Q: what z value has an area of 0.9803 to its left?

A: Answer: Here we have to find for what  z value has an area of 0.9803 to its left

Q: confidence interval for the standard deviation of the true variability for the time taken to…

A: HERE GIVEN, Seven pilots were tested in a flight simulator, and the time taken (in seconds) for each…

Q: The lengths of text messages are normally distributed with a population standard deviation of 3…

A: Solution

Q: In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to…

A: Given that, In a study of cell phone usage and brain hemispheric dominance, an Internet survey was…

Q: Determine the point estimate of the population mean and margin error for the confidence interval.…

A:

Q: Analysis of variance is a technique used to conduct a hypothesis test to compare three or more…

A: Solution-: Analysis of variance is a technique used to conduct a hypothesis test to compare three or…

Q: 3) An oceanographer believes the median wave height off of South Florida's coast is equal to 1.9…

A:

Q: 3. Construct a probability distribution for X. 4. Find the mean and variance of X.

A: here use given population with data 1,3,5,7 N=4 n= 2 here total possible sample of size 2  with…

Q: Conduct a hypothesis test to determine if preference for paying a subscription fee to utilize the…

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Q: 1. If X,X2, ..X, forms a random sample of size n from a population with pdf 0 for x>0 f(x; 0,8) =…

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Q: A local dry cleaner interviewed 10 candidates for the position of cashier, washer, salesperson and…

A: Here we will use the concept of permutation formula : nPr = n!/(n - r)

Q: Assume that adults have IQ scores that are normally distributed with a mean of 98.5 and a standard…

A: Let X be the random variable from Normal distribution with mean (µ) = 98.5, standard deviation (σ) =…

Q: A driver records in the table her speed at various times during her journey. Time (min.) Speed (mph)…

A: Given that The scatter plot is created as  Excel : data : insert : scatterplot  The correct plot is…

Q: If instead of 25, 80 male runners are selected for the study, what is the sampling error at 95%…

A: It is given that Sample size n = 80 Sample mean M = 53 Population SD = 5.5 Margin of error E = 0.8…

Q: A TV report conducted a survey of 908 people in Phoenix metro area and found that 28% of the…

A: Given Total people n = 908 Probability p = 0.28 we are 94% confident that the true proportion of…

Q: Listed below are time intervals​ (min) between eruptions of a geyser. Assume that the​ "recent"…

A: There are two independent samples which are recent and past. We have to test whether the mean time…

Q: Question 3: A game of zumpie consists of 3 teams; 2 teams lose and 1 team wins. Fifty-one teams…

A: Given, Zumpie contain 3 teams : 2team loose and 1 team win Total teams: 51 In each round games are…

Q: Suppose that 65% of people who enter a store will make a purchase. Random samples of people who walk…

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Q: 4. The time it takes to turn in a homework assignment is assumed to be normally distributed. A…

A: ( a ) Point estimate =? ( b ) Construct 90% C.I

Q: If x-Exp(5), then M,(t) is O 1 susll

A: We have given that x ~ Exp(5) Where, λ = 5          (since x ~ Exp(λ) ) We have to find Mx(t)

Q: Express the confidence interval (11.8 % , 18.6 % ) in the form of p + ME. %

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Q: Which of the following is an example of quantitative data? Select all that apply The steak weighs 8…

A: Quantitative data; It is a type of data that could be checked in numerical terms. For this type of…

Q: researcher would like to conduct a hypothesis test to determine if the mean age of faculty cars is…

A:

Q: Official Cancun Airp. C THE SWITCH HAS B. d. The p-value = (Please show your answer to 4 decimal…

A: Given that  Sample size n =41 Sample mean =4.16 Standard deviation =0.8 NOTE:- According to bartleby…

Q: What is the class width of the frequency distribution? Office salaries Frequency $35,000-$47,999…

A: We have given that the frequency distribution table.

Q: Suppose the population of IQ scores in the town or city where you live is bell-shaped, with a mean…

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Q: Suppose that the weights of cats are normally distributed with an unknown mean and a standard…

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Q: Identify the following probability distributions as discrete or continuous. Justify your answer. a…

A: a) From Figure a, we can see that we have a probability distribution for infinitely many points…

Q: It takes an average of 14.5 minutes for blood to begin clotting after an injury. An EMT wants to see…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: The claim is a mean is 222 and you want to prove it is less. Test the hypothesis within a 10% level…

A: Given information  Mean ( mu ) = 222 Sample mean (xbar) = 213.12 Standard deviation (s) =79.92…

Q: Use the following ANOVA table for regression to answer the questions. Analysis of Variance Source…

A: From the provided information, The anova table is as follow: Source DF SS MS F P…

Q: In a random sample of 532 individuals, 78% stated they needed a laptop in order to work from home.…

A: Given that,   Critical values: By using the standard normal table of Z, the critical value for two…

Q: A courier service advertises that its average delivery time is more than 15 hours for local…

A: For the given data Perform t test for one mean

Q: Arrow Distributing Corp. likes to track inventory by using weeks of supply as well as by inventory…

A: Given that

Q: CNNBC recently reported that the mean annual cost of auto insurance is 1020 dollars. Assume the…

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Q: This graph is from a study evaluating an opioid drug and gender on pain levels. Which of the…

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Q: Question 6 Temperature vs. Sales 1000 1000 Temperature vs. Sales 800 Which scatter plot represents…

A: For the given data select the correct choice

Q: The following table consists of the data for the 8 girls in your study. The data are sorted in order…

A: Here  X-Time Spent Playing Video Games (Minutes/Day)  Y -Time Spent Exercising (Minutes/Day)

Q: given that the binomial distribution with 84 trials and a probability of success of 0.18 can be…

A: Given that,   n= 84, p =0.18 The values of mean and standard deviation are,

Q: If n = 600 and ˆpp^ (p-hat) = 0.85, construct a 99% confidence interval. Round three places.

A: From the provided information, Sample size (n) = 600 Sample proportion (p̂) = 0.85 Confidence level…

Q: the study, n = 52 men were put on a diet. The men who dieted lost an average of 6.0 kg, with a…

A: Given that ; Sample size (n) = 52 Sample mean = 6.0 kg  ? = 3.7  kg By using one sample mean test we…

Q: Consider the boxplot below. 23 36 46 61 79 20 30 40 50 60 70 80 data a. What quarter has the…

A: Given that

Q: C' V ated. Then the N

A: Given as,

Q: Is there a way to change their scenario to make it a theoretical probability situation? Explain your…

A: The probability is still calculated the same way, using the number of possible ways an outcome can…

Q: review(5a): Given the ANOVA table below ,how many groups are there? Source                     SS…

A: Source   SS                  df       MS  Fstatistic Between 324 Within 1215                27 total…

Q: Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long…

A: Mean(µ) = 81Standard deviations (σ) = 1.6X ~ N (µ, σ )= N(81, 1.6)

Q: If x-G(2,3), then 2X Y = .........

A: