A teacher tracked how many minutes each student in his class spent on the unit project and created a histogram to represent these data. 36 32 28 24 20 16 12 8 4 15 20 25 30 35 Time (min.) © 2020 StrongMind. Created using GeoGebra. Based on the histogram, how many students are in the class? Enter your answer as a number, like this: 42 Number of Students

Q: Illu.16: On 31st Lecember, 2003 Andhra Traders Lid, showed in their accountE the following balances…

A:

Q: accept a flyer as they pass by follows a Poisson distribution with the rate of u = 4 people per…

A: Since you have posted a question with multiple sub-parts, as per our guidelines, we have provided…

Q: 3: The average cost of tuition and room and board at a small private college in the south-central…

A: Given that  Population mean μ =18500 NOTE:- According to bartleby guidelines expert can solve…

Q: You intend to conduct a test of homogeneity for a contingency table with 5 categories in the column…

A:

Q: In an examination paper, there are 7 questions in part A out of which any 4 are Example 48. to be…

A:

Q: s link to download the spreadsheet for use in this activity. 576 qdzny7 Start In order for a candy…

A:

Q: Express the confidence interval 12.6 % ± 4.3 % in interval form. Express the answer in decimal…

A:

Q: A new drug treatment clinic recently opened in a city, and the number of patients treated with…

A: From the above data The given values are 37 95 34 26 45 88 89 24  61 28 78  32 79  67  29  28  24…

Q: A technician compares repair costs for two types of microwave ovens (type l and type ) He believes…

A: Given information: M1=89.74s1=10.39n1=32M2=83.08s2=11.67n2=49 Consider, sp2=n1-1s12+n2-1s22n1+n2-2…

Q: Áluminum cans contaminated by fire. A gigantic warehouse located in Tampa, Florida, stores approxi-…

A: Given that  Margin of error =E =0.02 90% confidence.  Sample size required.

Q: Using the standard normal distribution table, the critical value zα/2 needed to construct a 99%…

A:

Q: An amazon seller asks all of their customers to participate in a survey for to get a free product. A…

A: Sampling bias occurs when some members of a population are systematically more likely to be selected…

Q: answers to four decimal places.) (a) Between 63 inches and 67 inches. P =  (b) Between 61 inches…

A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted

Q: Why might the graph be considered misleading? The labels on the y-axis are not presented in order.…

A: Here Given the graph of Number of errors on the different days made by Pianist

Q: zscore for 0.5967.

A: Here We will Use Excel command for  z score

Q: A sample is selected from a population with u = 50. After a treatment is administered to the 16…

A: It is given that Sample size n = 16 Sample mean M = 55 Sample Sd s = 8 Population mean = 50

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: Theorem;- Sample mean is unboise estimate of POpulation mean in poission distribution CS Scanned…

A: In question, We'll prove that sample mean is unbiased estimator of population mean for Poisson…

Q: Find the regression equation, letting the first variable be the predictor (x) variable. Using the…

A:

Q: 2. The table shows the frequency distribution of 60 employees and their daily wages. First find the…

A: Class size=upper limit- lower limit

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: Sample of 75 are selected from a population with mean 29 and standard deviation of 7.5. The mean of…

A: Given that  n=75  Mean=29  Standard deviation=7.5

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: Find the minimum variance portfolio with expected rate of return of 8% using five assets with…

A: Solution: 12. From the given information, the minimum variance portfolio with expected rate of…

Q: 2. Let X,, X,.X, be a random sample from a distribution with p.d.f. 2..... f(x;0) = 0 x, Is the MLE…

A: Given that

Q: For each combination of sample size and sample proportion, find the approximate margin of error for…

A: As per our guidelines we are supposed to answer only 3 subpart of any questions so i am solving…

Q: You are conducting a test of independence for the claim that there is an association between the row…

A: Given that  Contingency table.    X Y Z A 20 45 41 B 30 37 42

Q: ) Give a point estimate of the population mean running time for a 400-meter race. ) Calculate the…

A: It is given that Sample size n = 25 Sample mean M = 53 Population SD = 5.5 The critical value of Z…

Q: 14. The regression equation and the standard error of estimate Stewart Fleishman specializes in the…

A: Disclaimer: " Since, you have asked a question with more than three sub parts, but we can only…

Q: 16% of the squirrels in Cititon Park are gray. What is the probability that, in a random sample of…

A:

Q: poth servers are busy when yo s a single waiting line, and yo

A: Two Registers are maintained: R1 and R2 A random variable XX is said to follow an exponential…

Q: Three different checkpoints in a water distribution system are tested for bacterial contamination.…

A: Disclaimer : Since you have asked multiple question, we will solve the one question for you. If you…

Q: A carpet store advertises that they will deliver carpet within12 days of purchase. A sample of 49…

A: 1) given that ; u = 12 days  ? =  4.6 days  X- = 13.2 days  By using one sample mean test we solve…

Q: you can play soccer or play chess, but you cannot play both at the same time. This concept is called…

A: Given that  If you can play soccer or play chess, but you cannot play both at the same time.

Q: Example 3.6 Assuming that the life of a given subsystem, in the wear-out phase, is normally…

A:

Q: he following grou Maths test.

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: According to the American College Review, average tuition at a 4-year private college is $15,858…

A:

Q: 3. As a part of a preventive medicine program, a mobile medical unit obtains a variety of measures…

A: Given data: 81,91,89,81,79,82,70,75,90,85,83,82,79,82,92,90,64,73,86,87,72,78,96,77,85,83,87,88 n =…

Q: Performance Task Instruction: Determine whether the following statements has a known or unknown…

A:

Q: A climatologist is interested in comparing the frequency of cloud cover in Thunder Bay and Sudbury.…

A: Given that A climatologist is interested in comparing the frequency of cloud cover in Thunder Bay…

Q: What is the independent variable using the table below showing the regression of assets and revenue?

A: Independent variable: The variable which does not influenced by other variables then it is called as…

Q: .  Using part b to guide you, use @RISK to find the probability that a random number from this…

A:

Q: When there is autocorrelation in time series variables, OLS regression models produce unreliable…

A: When there Is autocorrelatlon in time series variables, Ots regression models produce unreliable…

Q: What is the probability of randomly selecting a Female or a New product? New product Old product…

A: We have given that the data into a cross tabulation form. Total number of persons = 73

Q: A simple random sample of six values had mean x = 13.00 and standard deviations = 7.155. Calculate…

A: From the provided information, Sample size (n) = 6 Mean (x̄) = 13.00 Standard deviation (s) = 7.155

Q: There are 6 black and 10 white balls in a box. If three balls are drawn one after another at random…

A:

Q: The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7 to…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: r=-0.832  find r2

Q: 4. Determine whether the following statements are true or false. No explanation is required. a) A…

A: Since you posted a question with multiple subparts, we will solve first three subparts for you. To…

Q: For each of the scatter plots below, determine whether there is a perfect positive linear…

A: