13 10 12 7 Standard 8 14 How many students competed in Smooth or Rhythm, but not Standard? 28 How many students did not compete in Rhythm?

Q: What is proper exponential notation for 299,792,458?

A: according to the method just put a decimal in the end of all numbers and start to shift this decimal...

Q: The probability that a house in an urban area will be burglarized is 5%. A sample of 50 houses is ra...

A: We have given that Success of probability p =5%=0.05 Number of trials n=50 X~binomial (n ,p ) NOTE:-...

Q: An intersection is equipped with video surveillance cameras. The average number of times the interse...

A: We know that  Poisson probability distribution  Pmf. P(X=x)= e-λ λx/x! λ = 2 per day  And i want to ...

Q: Activity 17. Directions: Test the hypothesis of the following statistical situation: Determining whe...

A: Given information: Male Female 42 48 33 39 21 50 35 41 46    

Q: A psychologist is interested in constructing a 95% confidence interval for the proportion of people ...

A: Given,n=725x=68p^=xnp^=68725=0.09381-p^=1-0.0938=0.9062α=1-0.95=0.05α2=0.025Z0.025=1.96    (from Z-t...

Q: 4. The following statements indicates the use of inferential statistics EXCEPT 4 A. A manufacturer o...

A: Ans#4- The following statements indicate the use of inferential statistics EXCEPT

Q: c) State which sampling method used in the following scenarios i. Select the first 19 customers who ...

A: As per bartleby policy I answered the first question and all subparts

Q: Express the confidence interval (35.2%,48.4%)(35.2%,48.4%) in the form of ˆp±Ep^±E. % ± ...

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Q: An online retailer would like to know whether the proportion of customers who visit the site and mak...

A: Given that  Population proportion=50%  

Q: Find the mean, standard deviation, and standard error of the mean for the following data set of meas...

A: Given data: 52,54,51,55,52 n = 5  

Q: 2. Let events A and B be mutually exclusive events. Suppose P(A) = .29 and P(B) = .32 (a) What is th...

A: GivenP(A)=0.29P(B)=0.32A and B are mutually exclusive events

Q: Q5. Find the conditional probability Pr(B|A) Prob. Venn Diagram Incomplete Carroll diagram A 0.3 0.1...

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Q: According to a poll, about 18% of adults in country bet on professional sports. Data indicates that ...

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Q: 10. Which level of measurement has the characteristic of having an order and distance but no unique ...

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Q: Calculate Price Index for 1995 and 1996 using 1990 as base year from the following dafa : Commodity ...

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Q: The co-efficient of value correlation between two prices of a company is + 0.27, if the sum of squar...

A: Note: the given values in this question is not correct that is why the value of n is not exact. 

Q: Rush

A: Given that  provided: Hypothesized Population Mean (\mu)(μ) = 1414 Population Standard Deviatio...

Q: Q7. TheRandom Variable, X~ N(20,16). Which of these statements is incorrect? A. Themean, µ = 20 & o²...

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Q: A box of donuts containing 7 maple bars, 2 chocolate donuts, and 3 custard filled donuts is sitting ...

A: Ans#-  Given a box of donuts containing  7 maple bars, 2 chocolate donuts and 3 custard donuts.     ...

Q: Situation 2. Dr. Romero observed the level of motivational behavior of his students and tried to fin...

A: Given information: As per guidelines we will only answer the first three subparts, please repost oth...

Q: The life-time in hours of a certain electrical equipment has the normal distribution with mean - 80 ...

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Q: Example 9-49. For the exponential distribution f(x) = e-x, x 2 0; show that the cumulative distribut...

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Q: Assume that among diabetics the fasting blood level of glucose is approximately normally distribute ...

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Q: oughly, speaking, we can use probability density functions to model the likelihood of an ent occurri...

A: Solution

Q: Can someone help me create a linear, exponential, or polynomial equation that would model the progre...

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Q: Giving a test to a group of students, the grades and gender are summarized below If one student is ...

A: Given that  Giving a test to a group of students, the grades and gender are summarized in question  ...

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

A:

Q: Situation 3: Professor Rojas wanted to find out if his students' vocabulary skills correlate signifi...

A: Given information: As per guidelines we will only answer the first three subparts, please repost oth...

Q: Let the random variable X follow a normal distribution with mean = 120 and variance = 72.25. Find th...

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Q: #2 ou want to know the mean number of hours music students at your school practice each week. At eac...

A: We have given that data  I want to find mean.  Mean = sum of all observations/total number of observ...

Q: The life-time in hours of a certain electrical equipment has the normal distribution with mean - 80 ...

A: We hsve to find given probability using z table.

Q: A study of B.A. (Hons.) Economics examination results of 1000 students in 1990 gave the mean grade a...

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Q: Directions: Analyze the problem below by providing a comprehensive answer from the given question. W...

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Q: An important characteristic on Google Trends is the use of A. Annotations ) B. cross section data C....

A: Selected option is correct

Q: A botanist wishes to estimate the typical number of seeds for a certain fruit. She samples 68 specim...

A: We have given that,  Sample mean (x̄) = 39.3, standard deviation (s)= 7.3 and sample size (n) = 68 T...

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are n...

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Q: Situation 2. Dr. Romero observed the level of motivational behavior of his students and tried to fin...

A: Given information: Student Science Grade Motivational Behaviour 1 Failed 3.46 2 Failed 4.3...

Q: A physician wanted to compare two types of pain relief. One is medication and the other is using pre...

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Q: Calculate range and its co-efficient from the following statistical data: Profits ( $ in 000's) 125,...

A: From the provided information, The data values are as follow: 125, 50, 30, 20, 80, 85, 90, 160, 180,...

Q: EXAMPLE 5. Calculate Quartile Deviation and its Coefficient. July Aug. Sept. Oct. 145 Nov. Dec. Jan....

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Q: 13. Determine the type of sampling used in the following scenario: A researcher has a list of names ...

A: Given the scenario :- A researcher has a list of names( In alphabetical order) of her respondents an...

Q: Q9. The diagram is the distribution of the Standard Normal variate, Z. wwww w 0.5 0.4 0.3 .025 .025 ...

A: We have given that.   X~N( μ , ?^2 )   μ =0 , ? =1   Z-score =( x - μ )/?

Q: A high school senior is collecting data on the colleges in which she is interested. Identify the var...

A: a) Type of college is a categorical college as the variable is categorized into Private or public co...

Q: Situation 3: Professor Rojas wanted to find out if his students' vocabulary skills correlate signifi...

A: Note: Since we only answer up to  3 sub-parts, we'll answer the first 3. Please resubmit the questio...

Q: If X is a Poisson variable such that P(X= 2) = 9P(X = 4) + 90P(X=6), find the mean and variance of X...

A: Let X be the random variable from Poisson distribution  with P(X=2) = 9P(X=4) + 90P(X=6)  Then,  We ...

Q: For a distribution the distance of the median from the first quartile is five times the distance of ...

A: * ANSWER :-  Based on given information the answer is provided below.  

Q: b) The stem and leaf below show the amount of magnesium found in a brand of bottled water in milligr...

A: The given stem-and-leaf plot shows the amount of magnesium found in a brand of bottled water in mill...

Q: The ranks of the same 15 students in two subjects A and B are given helow; the two Tiumbers within t...

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Q: Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and stand...

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Q: A student obtained the following two regression equations, do you agree with him: 6X= 15Y+ 21 21X+ 1...

A: