Hi I cannot have the using excel at all. Please redo without excel and all the work shown. Thanks so much.

Q: Mark Gershon, owner of a musical instrument distributorship, thinks that demand for guitars may be…

A:

Q: Consider a dataset giving the adult weight of species of insects. Most species of insects weigh less…

A: Given Information: Suppose a dataset contains adult weights of species of insects, where most of the…

Q: convenience store owner wants to know how long his customers spend browsing the store before making…

A: Given,sample size(n)=14mean(μ)=5standard deviation(σ)=2.2

Q: inst the null hypothesis

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Q: ssume that a sample is used to estimate a population proportion p. Fin ample of size 157 with 52…

A: Given that  Sample size n =157 Favorable cases x =52 Sample proportion p^=x/n =52/157 =0.3312

Q: Compute the range, sample variance, and sample standard deviation for the following scores: 25, 36,…

A: To find the range, sample variance, and sample sd for the two data sets.

Q: A randomly selected realtor's monthly commission (in thousands) can be estimated by a random…

A: by bartleby policy i can gives only 3 subparts answers at a time  A randomly selected realtor's…

Q: 4. Hypothesis tests about a population proportion A firm’s corporate strategy is driven largely by…

A: The question is about hypo. testing Given : Popl. prop. of firms had chief marketing officer on…

Q: Check here for instructional material to complete this problem. Evaluate the following formula for…

A: given data, x¯1=2.37x¯2=2.62μ1-μ2 =0s1=0.65s2=0.92n1=34n2=34test statistics for the  given data=?

Q: N. 1. m Determine the missing values from the table below. Show complete solutions. Round off your…

A: From the provided information, The table is as follow:   Mean S.D. x z 1. 99.3 6.8 84   2 81…

Q: A restaurant offers a $12 dinner special that has 6 choices for an appetizer, 12 choices for an…

A: given data, A restarant offers a $ 12 dinner special06- choice for an appetizer12- choice for an…

Q: (c) Plot each data set along with the regression line and comment on your results. (d) Data set 3…

A: Given data set is displayed below.

Q: a. Construct the 95% confidence interval for the mean number of years of for lower class and middle…

A: Given that, The two populations are no. of years of education for lower-class and middle-class…

Q: If two people are randomly selected from the above data set, find the probability that at least 1 of…

A:

Q: research regarding  "Should post exercise meal consumption differ for athletes compared to casual"…

A: Answer :- There is a growing body of research on post-exercise nutrition, with a particular focus on…

Q: The mean serum-creatinine level measured in 15 patients 24 hours after they received a newly…

A: Renal Disease The mean serum-creatinine level measured in 15 patients 24 hours after they received a…

Q: Which if the following statistics is a biased estimator of its population parameter?  standard…

A: An unbiased estimator is an estimator that is calculated such that its expected value is equal to…

Q: Jefferson borrowed $5000 at a simple interest rate of 6% per annum. At the end of the term, he owed…

A: Given:Jefferson borrowed $5000 at a simple interest rate of 6% per annum. At the end of the term, he…

Q: PCBs. Use smoothing methods to interpret the series of 26 PCB concentrations below. Time runs from…

A: First, type data in excel from the given data we have to perform smoothing on data. for the…

Q: Suppose that {X₁, X2, ···, Xn} is a random sample from the following pdf 2 f(x|x) = axa-1 3a for…

A: Given information: fx|α=αxα-13α for 0≤x≤3

Q: ● Question 4 A city metro train on the red line runs every 4 minutes during the time between 6 am…

A: Given: A  city metro train on the red line runs every 4 minutes during the time between 6 am and 7…

Q: Triglycerides are a form of fat found in the body. Using data from a certain organization, determine…

A: Introduction Hypothesis is an assumption that is being tested.

Q: If the company sells the candy bars in packs of 4 bars, what can we say about the likelihood that…

A:

Q: Use the result from part (c) to find the cost to the company if employee turnover is 39% in a year

A: Given data : The percentage of employees who cease their employment during a year is referred to as…

Q: You have a collection of 15 phone cords, 4 of which work to charge your current phone and 11 of…

A: Given that: Sample size, n=15 Number of working cords = 4

Q: Which of the following is the point estimate (i.e., "best guess") for the population proportion of…

A: It is given that the statement about to the point estimate for the population proportion. Here, need…

Q: atistician wants to test for the equality of me rawn from normal populations of people enroll will…

A: Calculation of variances for each sample: For sample 1: sample size (n1) = 8 sample mean (x̄1) =…

Q: A high school teacher hypothesizes a negative relationship between performance in exams and in…

A: Given information: The correlation for a sample of 24 students is 0.26.

Q: Let us consider the exponential distribution with density function ƒ(y]) = Ge i.i.d. sample Y;…

A: For the following data  1 0.4 2 0.0 3 0.2 4 0.1 5 2.1 6 0.1 7 0.9 8 2.4 9 0.1…

Q: The effectiveness of solar energy heating units depends on the amount of radiation available from…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: A drug company is developing a new pregnancy-test kit for use on an outpatient basis. The company…

A: To compare the costs of the new and standard pregnancy tests, we need to consider the cost of each…

Q: A weapons manufacturer uses a liquid propellant that can get mixed with another liquid to produce a…

A: Given.,P(X)=(0.21)(0.79)x-1    ;   x=1,2,3....Let X be the number of cartridges sampled until a…

Q: A certain model phone costs $599. The probability of the phone breaking over the course of a year is…

A: Solution: From the given information, a certain model phone costs $599. The probability of the phone…

Q: In statistics, Jack’s mean grade is 80 with a Sx of 15. David’s mean grade is 80 with a Sx of 5.…

A: Given that: For Jack: x¯=80sx=15 For David: x¯=80sx=5

Q: What percentage of the magnesium data falls between 4.5 and 7.5?

A: The boxplot is given.

Q: you did not answer this  Let p be the true proportion of firms with a chief marketing officer…

A: We have given thatp0 = 56% = 0.56n = 53x = 28p̂ = x/n = 28/53 = 0.5283Significance level (α) = 0.01

Q: A bag contains 7 red marbles, 9 white marbles, and 10 blue marbles. You draw 4 marbles out at…

A:

Q: = 1-02 5.2.11') Find the maximum likelihood estimate for in the pdf fy (y; 0) = 2y for 0 ≤ y ≤ 1.…

A: Given density function: fy,θ=2y1-θ2, θ≤y≤1 Consider the likelihood function, Lθ=∏i=1n2yi1-θ2…

Q: Suppose that 3% of the 2 million high school students who take the SAT each year receive special…

A: Given that: Success probability, p=3% or 0.03 Sample size, n=30

Q: Mr. Imperfecto teaches another math class.  This time he has 23 students take a test, the average…

A: Given that n=23

Q: rue or False: Probabilty is another word for chance and is on a spectrum from 0-1

A: A is an event in a sample space in which there are  n equally likely events. If n(A) is the number…

Q: Resting pulse rates for healthy adults are found to have approximately a Normal distribution with a…

A:

Q: One of the reasons why the concept of an unfair coin is important in probability is that many…

A: Using the given information we have to find the given probability. n = 8 P = 0.43 K= 4

Q: Thank you so much

A: Given data :  The sample variances target the value of the population variance.

Q: Score 6 7 8 9 10 Frequency 2 3 7 7 1

A: Given frequency table is  Score Frequency 6 2 7 3 8 7 9 7 10 1

Q: A coin is tossed 400 times. Use the normal curve approximation to find the probability of obtaining…

A: As per our guidelines we are suppose to answer only one question kindlypost the remaining question…

Q: an experimenter conudcted a two-tailed hypothesis test on a set of data and obtained a p-value of…

A: The two-tailed p-value is given as = 0.30

Q: Suppose a mutual fund qualifies as having moderate risk if the standard deviation of its monthly…

A: Given The data is as follows: Sample size, n=27 Sample standard deviation, s=0.0371 α=0.01

Q: The following sample data are from a normal population: 10, 9, 12, 14, 13, 11, 6, 5. a. What is the…

A: We have given data are From the given data we make the following table for the calculation of mean…

Q: Evaluate for x = 5, 9, 10 and 7. Σχ. x2 + 3x

A: Given that X=5, 9, 10, 7