1. There are 12 sections of Statistics 1 in a state university. Listed below are the number of students enrolled in each section. 23 43 56 43 23 56 43 Compute for the range, variance, and standard deviation. 23 15 14 38 44

Q: Monique Gonzales just graduated and was hired by a new cybersecurity firm in Colorado. She needs to…

A:

Q: Below is the joint probability distribution of a and b. 0 1 0.1.2 C C

A: The joint density function for and b is, a|b0100.10.210.20.220.30The marginal PMFs for a and b are,…

Q: A nutritionist estimates that 57% of her patients stick to the eating plan she helps them design.…

A: a)It is given that, 57% of patients stick to the eating plan the nutritionist helps them design.

Q: An educator wants to determine whether a new curriculum significantly improves standardized test…

A: Sample size Group 1 is taught using the new curriculum, while group 2 is taught using the…

Q: In determining automobile mileage ratings, it was found that the mpg in the city for a certain model…

A: The question is about sampling distribution.Given :Population mean mpg (  ) = 36Standard deviation…

Q: Some have argued that throwing darts at the stock pages to decide which companies to invest in could…

A: Sample proportion=0.5sample size n=300Number of companies to be won x=156sample proportion p=given…

Q: On a scale of 0 to 10, the student rated her enjoyment of stats as an 8. The average rating among…

A: To determine what percentage of college students enjoy statistics more and what percentage enjoy…

Q: Let x be the number of successes observed in a sample of n = 7 items selected from a population of N…

A: Given,

Q: Let x be the number of successes observed in a sample of n = 7 items selected from a population of…

A: Sample size(n)=7population size(N)=14Number of succeses(M)=8Given that x be the number of successes…

Q: I P(AUB) 2 P(A) = 3 P(АСПВ) =

A: Here given venn diagram for 2 events A and B.

Q: (a) The probability mass function of X. (b) The cumulative distribution function of X. (c) The…

A: Given that,It can be seen that, here X can take the values 1,3,4, and 6.

Q: What formula did you use for demand

A: What formula did you use for demand?

Q: Based on the information above, represent the findings graphically using stacked chart

A: Segolame is a final-year student who is collecting data for his research project.Data is given on…

Q: Determine whether the following sampling is dependent or independent. Indicate whether the response…

A: Here a random sample of 116 patients of each category is considered and the annual salary of each…

Q: The highest score in a distribution is 74 and the lowest score is 51. What is the range?

A: We have given thatminimum value = 51maximum value = 74

Q: In a Leichtman Research Group survey of 1000 TV households, 74.9% of them had at least one…

A: From the provided information,

Q: he estimate of the population proportion should be within plus or minus .05, with a 95% level of…

A:

Q: How does omitting a relevant variable from a regression model affect the estimated coefficient of…

A: The objective is to identify how omitting a relevant variable from a regression model affect the…

Q: Approximately what is P(Z > -0.8)? * 0.1841 O 0.2 O 0.2119 0.7881 O 0.8159

A: According to the Bartleby guidelines experts solve only one question and rest can be…

Q: What percentage of the population live in their state of birth? According to the U.S. Census…

A: The average percentage across all states and the district of Columbia is 57.7%.Sample size Number of…

Q: 5. A National Merit Scholarship award committee recently claimed that each of 5 grant applications…

A: Total members = 5Total number of majority group = 3Total number of minority group = 2

Q: 58. About 10% of the general population is left-handed. However, about 25% of baseball players are…

A: About 10% of the general population is left-handed. However, about 25% of baseball players are…

Q: Determine of whether strong correlation exisits as well as whether it is positive or negative

A: Here we have given scatter plot and we have to identify whether weak or strong correlation also…

Q: Assuming 90% of adults watch TV every day. In a group of 50 rando -nly selected adults, How many…

A: The question is about proportion.Given :Randomly selected no. of adults ( n ) = 50Proportion of…

Q: (a) Determine the marginal cumulative distribution functions of X and Y. (b) Determine the marginal…

A: Given,and 4 subparts need to be answered.

Q: Determine the test statistic for this hypothesis test. (Round to two decimal places as needed.)

A: From the given information we make the following tableInitial Depth, XiDepth Five years…

Q: 12.69 The following model was used to relate qualitative variable with four levels: E(y) == B₁ +…

A:

Q: Seeds are often treated with a fungicide for protection in poor-draining, wet environments. In a…

A: Given that:Number of treated seeds (n) = 6Number of untreated seeds (m) = 7Number of seeds that…

Q: A person is selected at random during the Republican National Convention. Suppose the probability…

A: Given, The probability that the person selected is a woman is, P(W) = 37% = 0.37The probability that…

Q: To make the calculations simpler, before computing the regression line, subtract 2000 from each of…

A: YearConsuptionxiyiLinear ModelSquared…

Q: 3) The Taguchi loss parameter for a part with maximum deviation of +/- 1 mm and a maximum rework…

A: Given,The maximum deviation: +/-1 mmThe maximum rework cost,

Q: 0.75 -0.7421 = 0.7707-0.7421 0.85-0-8 2= z = 0.8144 . (z - 0.8)

A: given equation to find the values

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

A: Private collegesPublic…

Q: The number x of people entering the intensive care unit at a particular hospital on any one day has…

A: (a) The number of people entering the intensive care unit on a particular day follows a Poisson…

Q: Can you please explain the steps in 2 and 3. As I don't understand how you got the 97.72 percent.

A:

Q: What type of intervals of Classes boundaries? (a) Breaking Intervals (b) Continuous Intervals O (a)…

A: Breaking Intervals: Breaking intervals, often termed exclusive intervals, do not encompass the lower…

Q: An article suggests the uniform distribution on the interval (8.5, 19) as a model for depth (cm) of…

A: The cdf of depth:

Q: 5. 6. Hours Studied Test Score Type a response Hours Studied 1 Test Score 78 1 78 0 75 Using the…

A: Hours studiedTest score1780753901.5892.75971850.581280

Q: In order to determine the average weight of watermelons at a supermarket, a sample of 31 watermelons…

A: The question is about confidence interval.Given :Randomly selected no. of watermelons ( n ) =…

Q: You purchase a workers' compensation insurance policy to protect against accidents at your…

A: The provided information is as follows:If having a serious accident then the insurance company pay…

Q: Calls to a customer service center last on average 2.6 minutes with a standard deviation of 1.2…

A: Mean=2.6, standard deviations=1.2

Q: help my answer is wrong. Based on a random sample of 50, a 95% confidence interval for the…

A: Given a random sample of size 50 and a confidence interval of 95%.The confidence interval for…

Q: The following population data were collected: 86, 45, 54, 94, 69, 66, 84, 94, 76, 45, 39, 89, 49,…

A: 86, 45, 54, 94, 69, 66, 84, 94, 76, 45, 39, 89, 49, 53, 78Sample size(n)=15

Q: Remix Given P(B) = 즉 and P(Aand B)= ㄱ ㅎ, Find P(A/B) ㅇㅇ 수 oooo ㅎ 0윽 ㅇ속 ㅇ극 O None of the Above. :

A: The formula of the conditional probability is,Let A and B be any two events such that,where, denotes…

Q: A student stays at home. Let event N= the student watches Netflix Let event Y = the student watches…

A: Given,P(N) = 0.1P(Y) = 0.8P(N and Y) = 0.8Using formula,If two events A and B are independent, then…

Q: A study recruited 48 overweight adults aged 55 to 75 years, and randomly divided them into two…

A: A response variable, also known as a dependent variable, is a measurable and quantifiable outcome or…

Q: Easy 2.6 3.9 3.4 1.2 2.1 1.2 1.8 2.2 Typical 5.6 4.5 3.7 2 3.3 4.6 3.1 2 Diff 9 5.6 3.5 7.8 6.4 7.5…

A: ANOVA definition In order to assess whether there are statistically significant differences between…

Q: 12111 There are six x6, that might be useful in predicting a response y. A total of n = 50…

A: Consider the given six independent variables along with their coefficient values and standard error.

Q: Lifetimes of a certain type of light bulbs follow an exponential distribution with mean lifetime 800…

A: Let X denote the lifetime of the bulb. Given that X~Exp(mean=800).

Q: Express the confidence interval (0.060,0.118) in the form of p-E<p<p+E. |<p<| (Type integers or…

A: We have given confidence interval (0.060,0.118)