3-7. Write each answer with the correct number of significant figures (a) 1.02.1 + 3.4 + 5.8 12.300 0 (b) 106.9 31.4 (c) 107.868 (2.113 X 75.500 0 102(5.623 x 10 5 519.568 (d) (26.14/37.62) X 4.38 3.043 413 10 (e) (26.14/(37.62 x 10)) x (4.38 x 10 2) 3.043 413 x 10 11.933 7 (f) (26.14/3.38) + 4.2 (g) log(3.98 x 10*) = 4.897 79 X 10 4.599 9 (h) 10-6.31

Q: The state education commission wants to estimate the fraction of tenth grade students that have…

A: Population is the set of all objects of interest. For statistical studies, the complete population…

Q: A random sample of medical files is used to estimate the proportion p of all people who have blood…

A: Given Information: Error (e)  = 0.07  confidence level = 99%  p = 0.5 (given)

Q: What percentage of students are enrolled in between 12 and 18 credits?

A:

Q: e) From the analysis of students' marks, Mr Adam decided to do one-to-one consultation with his…

A: According to the information given in the problem we proceed as follows,

Q: 1. be less than 30? 2. be greater than 2 below the population mean? 3. be less than 5 above the…

A: Here AS PER POLICY I SHOULD HAVE TO CALCULATE 3 PARTS ONLY EVEN THOUGH I HAVE CALCULATED 4

Q: 11) According to-the given data, how many of the passible sandwich combinations include either roast…

A: There are 5 kinds of beef and 4 types of cheese. If roast beef or salami is selected then there are…

Q: Staying Single. From the U.S. Census Bureau document America’s Families and Living Arrangements and…

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

Q: A 2014 Honda Civic hybrid costs $24,635. This car is supposed to get 44 miles per gallon in regular…

A: Honda Civic hybrid model cost $24635 and Honda Civic gas powered model cost $18390 The mileage of…

Q: 12. Show that in finding the arithmetic mean of a set of readings on thermometer it does not matter…

A:

Q: The FBI wants to determine the effectiveness of their 10 Most Wanted list. To do so, they need to…

A: Given that Number of sample =306 Number of captured=100 We have to find the proportion of people who…

Q: 14) A researcher at a major clinic wishes to estimate the proportion of the adult population of the…

A:

Q: Suppose we want to estimate the annual high temperatures of the hottest major cities in the United…

A: Given data Here we have two variables City and Temperature City is a Categorical variable. Under…

Q: Staying Single. From the U.S. Census Bureau document America’s Families and Living Arrangements and…

A: a. It is given that in 1963, 83.0% of American women between the ages of 25 and 54 were married…

Q: 12 - Prove that the sum of the deviations of the values from their arithmetic scale for classified…

A: Arithmetic scale or arithmetic mean,  means that sum of the all the Values divided by total number…

Q: Sleep apnea is a condition in which the sufferers stop breathing momentarily while they are asleep.…

A: Claim : the percentage of commercial truck drivers who suffer from sleep apnea is not 4.1%

Q: The FBI wants to determine the effectiveness of their 10 Most Wanted list. To do so, they need to…

A: Assume that p is the true population proportion of people who were caught after being on the 10 Most…

Q: 14) A nationwide study of American homeowners revealed that 64% have one or more lawn mowers. A lawn…

A:

Q: 15. A researcher wishes to estimate the population proportion of adults who are confident in the…

A:

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A:

Q: [Date,2008,2010,2012,2014], [Percentage,63.0,63.7,64.3,64.7] The table shows the percentage of…

A: Consider the given data as follows.

Q: software system. In planning for the operating system that he will​ use, he needs to estimate the…

A: Given that  Margin of error =E =5%=0.05

Q: The owner of a bowling alley wants to estimate the percent of bowlers in the senior league. How…

A: Hi, you have posted multiple different question in one post . As per the guidelines I am obliged to…

Q: The FBI wants to determine the effectiveness of their 10 Most Wanted list. To do so, they need to…

A: The proportion of people who were caught after being on the 10 most wanted is obtained below:The…

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: a) Consider the proportion as 0.5. Computation of critical value: 1-α=0.95α=0.05α2=0.0251-α2=0.975…

Q: oward revisions in the health care system. The president wants the estimate to be within 0.02 of the…

A: The  population proportion (p) of people that supports  health care revisions is given as 0.61.  The…

Q: The FBI wants to determine the effectiveness of their 10 Most Wanted list. To do so, they need to…

A: Given Information :  The FBI wants to determine the effectiveness of their 10 Most Wanted list. To…

Q: How many scores 2. between 96 and 106?

A: HERE GIVEN , mean µ = 86 and σ= 10. HERE USE NORMAL DISTRIBUTION BECAUSE POPULATION IS LARGE ENOUGH…

Q: 2: The median age of the children is: 29 30.5 28.5 28

A: Given ages are, 36,42,18,32,22,22,25,29,30,31,19,24,35,29,26,36,24,28   Sort the data in Ascending…

Q: 1.) I want to estimate the proportion of adults who like sci-fi movies. How many people should I…

A:

Q: who appear on the list that are actually caught. Step 1 of 2: Suppose a sample of 233 suspected…

A: Favorable Cases XX = 7272 Sample Size NN = 233233 The proportion of people who were caught…

Q: 2.) Suppose you scored 75, 64, and 79 on your first 3 math tests. a.) What is your current average?

A: We are given scores of 3 math tests which are 75, 64, and 79 We need find the current average of…

Q: The highway department wants to estimate the proportion of vehicles on a Highway at KM 25 between…

A: Population proportion is a fraction of population that is of interest. The value of proportion is…

Q: what percentage of years will have an annual rainfall of less than 44 inches ? what percentage of…

A: The mean is 41.9, and standard deviation is 6.1. Let X denotes the annual rainfall. The percentage…

Q: You are doing a research project in political science to determine the proportion of voters in your…

A:

Q: (2.8 x 103)÷(9.15 x 102)]+6.81

A:

Q: The state education commission wants to estimate the fraction of tenth-grade students that have…

A: Solution

Q: Assemble fuel consumption data for 10 automobiles of your choice (in litres/100km). Show details of…

A: I have used a random function to get the values of consumption data for 10 automobiles of choice (in…

Q: how do you determine how many observations are in the first class of a stem and leaf chart

A: The objective is to infer the no. of observations (or frequencies) in the stem-and-left plot.

Q: Suppose that 50 measurements were taken and the mean was calculated to be 4.55. Assume next that one…

A:

Q: The market share analysis company, Net Applications, monitors and reports on the use of the Internet…

A:

Q: a. How many categories (K) are we working with? b. Calculate the sum of the squared percentages, or…

A: a. From given information, there are 7 categories. Therefore, the number of categories is (K) = 7…

Q: 1.What is the Prevalence as a decimal for college 1 (box a)?Round to the nearest hundredth. 2.…

A: College Cases of Flu Total number of students Prevalence (decimal) Prevalence per 10000 students 1…

Q: a programmer plans to develop a new software system. In planning for the operating system that he…

A: a) The confidence level is 99% Therefore, α = 0.01 and α/2=0.005. The margin of error is 3% =0.03…

Q: An environmentalist wants to find out the fraction of oil tankers that have spills each month.…

A: Givensample size = 563 tankers number of ships did not have spills = 445  number of ships have…

Q: Find the margin of error for the survey results described.  In a poll of 433 adults, 46% said that…

A: Given that  Sample size n =433 Sample proportion p^=46%=0.46

Q: 36 - It is desired to test the level of education with the severity of the accident. Find the…

A: Formula : Test statistic formula is

Q: Suppose a sample of 369 tankers is drawn. Of these ships, 310 did not have spills. Using the data,…

A: Let X be the number of oil tankers that had spills and n be the number of tankers. From the given…

Q: The use of the internet is constantly growing. How many randomly selected adults, n' must be…

A:

Q: When you collect data from many people to perform analysis, what is the source of such data?

A: The data collected directly from people using facts figures, objects, symbols using the survey…

Q: From 2007 to 2012, there was a substantial increase in obesity rates in the United States. The…

A: Percentage of obese=32.4 % Number of people=210 million