Mrs. Henderson thinks her test completion time will be 35 minutes with a margin of error of 10.  What is the possible range of times? 15 to 45 min.       25 to 55 min       35 to 45 min       25 to 45 min.

Q: As the saying goes, any man should accomplish three things in his life: build a house, plant a tree,…

A: Given that p= 13% = 0.13 So q= 1-p= 1-0.13 = 0.87 Margin of error= 5% = 0.05 Z at 95% confidence…

Q: Create a proportion using the form 100 is to represent the following word problem. %3D 15 is 1-% of…

A:

Q: What is the measure of XZ to the nearest tenth

A:

Q: What scale is measured in values from 0 to 14 with 7 being neutral?

A: To find the scale which measures values from 0 to 14 with 7 being neutral.

Q: Given these stats how many students scored a 65 or lower?

A: given: mean =68.3          standard deviation = 21.1 let x be the score of the students to find…

Q: Which class had test scores with a larger interquartile range (IQR)? Choose one (Class A/  Class B/…

A: Given: The boxplots are shown below

Q: If the proportion of H’s is .45 out of 200 flips, what is the p-value?

A:

Q: What is the Margin of Error, E?

A: Since the sample size is small and population SD is unknown then we will use critical value based on…

Q: When estimating the population proportion, how large a sample is needed to be 95% confident that the…

A: Given:  The margin of error is equal to 0.05  Confidence Level : 95%  It is asked to compute the…

Q: d. Which of the measures of variation computed in parts a-c have the same units of measure (number…

A: The formula for Range is, Range=maximum value-Minimum Value Let 'n' be the sample size,…

Q: the ratio of yougert and ice cream sold at baskin and robin 1.4 of next of 100 cones sold how many…

A:

Q: What level of measurement would be used if participants were asked to choose their favourite picture…

A: What level of measurement would be used if participants were asked to choose their favourite picture…

Q: a margin of error o

A: Given that  Annual starting salaries for college graduates with degree in business administration is…

Q: The mean height of Male College Students in a large City is 68 Inches Cand the Standard clevation IS…

A:

Q: If the the true value = 11.5140 and the true Error = -0.1822 then the Relative True Percentage…

A: This is a problem of Numerical Analysis.

Q: As the saying goes, any man should accomplish three things in his life: build a house, plant a tree,…

A: Let the Confidence interval here be 90%   Given data, p=19%=0.19 E=3%=0.03 z-value at 90% confidence…

Q: The scores for the gold medal winning diver in the men's 10-meter platform event are listed: 91.80…

A: First we need to understand what is interval level of measurement and ratio level of…

Q: a) If a speedometer's absolute error is 2 mph and it measures a speed of 60 mph, what is the…

A: Note: Hi! Thank you for the question as per the honor code, we’ll answer the first question since…

Q: What is the uncertainty or Standard Error for this difference in proportions? (F

A: Here For People uses Internet Regularly Sample Size=n1=1754 x1=807 p1^=8071754=0.46 Now For people…

Q: The pictograph below is based on a survey of adults who were asked whether they agreed with each…

A:

Q: What scales is measured in values from 0 to 14 with 7 being neutral?

A:

Q: What is the median test score? ¿Cuál es la puntuación mediana de la prueba? 50 60 70 80 90 100 110…

A:

Q: ize 10 has a mea rd deviation of 16 population is di la 99% confiden

A: Given Data : Sample Size, n = 10.0 Sample Mean, x̄ = 93.0 standard…

Q: When estimating the true proportion, how large a sample is needed to be 95% confident that the error…

A: It is given that Margin of error E = 0.06 Level of confidence = 0.95 The critical value of Z at 95%…

Q: In a survey of high school seniors, 72% of those surveyed stated they were planning on attending…

A: Given: Percent of high school seniors stated that they were planning on attending college is = 72%…

Q: 3. Three logs have been measured as being 10.87, 5.42, 7.6 feet in length. What is their average…

A: We have given that data  10.87, 5.42, 7.6 Average = sum of all observations/total number of…

Q: Dr. Thomas graduated from West Virginia University with a code value = 1 while Professor Harrison…

A: Nominal level: It consists of only categories in which the data cannot be arranged in specific…

Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A: Obtain the critical value at 95% confidence level:It is given that the confidence level is 0.95 and…

Q: d. Give a 95% interval estimate of the number of fatal accidents per 1000 licenses in a city where…

A: Solution:  Given information: n= 42  Sample size  MSE= 0.3473  Mean square  error  The degree of…

Q: How do I determine each individual time on this box plot? i dont know how Im supposed to answer the…

A: Given box plots: For reading the exact values mark equal divisions on the minute scale and try to…

Q: On a placement examination, Fatimah scored lower than 420 of the 980 students who took the exam.…

A: It has been given that Fatimah has scored less than 420 of 980 students which means her score is…

Q: The estimated score will be between

A: Here given regression equation  of hours of studies and test score

Q: The mean of data set A is 42. The mean of data set B is 47. The mean absolute deviation (MAD) of…

A: The mean of data set A is 42.

Q: The mean of data set A is 42. the mean of data set B is 47. the mean absolute deviation (MAD) of…

A: given dataμA =42μB = 47∴ difference = 47-42 = 5MAD = 2.5

Q: What is the median score in Exam 2? Ex: 50.8

A:

Q: Dr. Thomas graduated from West Virginia University with a code value = 1 while Professor Harrison…

A: satisfaction rating, and highest degree earned were ordinal categorical variables, in that there…

Q: d. To estimate p with E = .03, 95% confidence, andp thought to be approximately .70

A:

Q: What is the measure of x to the nearest degree? 11

A: The objective is to find the measure of x to the nearest degree.

Q: what is Type I error: what is Type II error:

A: here use basic of type 1 and type 2 error

Q: 1. The width of a road is measured as 15.3 m wide. What is the percentage error correct to one…

A:

Q: A survey found that about 49% of the people who work at an accounting firm take a company car pool…

A: Find the estimate number of the people and the actual number of people

Q: When estimating the population proportion, how large a sample is needed to be 95% confident that the…

A: Here  sample proportion = 42/120= 0.35

Q: A carnival had a board with 25 balloons placed as in the drawing. To win, you must hit a balloon…

A:

Q: Given these stats how many students scored a 35 or lo

A: From the given histogram, The number of students corresponding with class [0, 4.7] is 3. The number…

Q: Solve the following proportion:  3.5 is to 5 as x is to 15.

A: Given,          3.5 is to 5 as x is to 15.

Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A:

Q: You buy a package of 122 Sm= interval for the true proportion (0.092, 0.220) (0.103, 0.230) (0.085,…

A: Given,  significance level (α) = 0.05 sample size (n) = 122 x = 19

Q: jocelyn estimates that a piece of wood measures 5.5 cm. if it actually measures 5.62 cm, what is the…

A: Given : Jocelyn estimates that a piece of wood is 5.5 cm. The actual measures 5.62 cm. The error is…