1. Toyota estimates that on a full tank their new car model can travel 480 miles with a margin of error of 10 miles. What is the furthest Toyota expects their new car to be able to travel? 490 miles 10 miles 480 miles 470 miles

Q: A researcher wants to estimate the impact prenatal care during pregnancy can have on anemia rates in…

A: It is given that the population proportion (prevalence) is 0.397. It is known that the critical…

Q: In order to have a margin of error of 2%, people should be surveyed.

A: we are given that 24% people consider summer as their favourite season (p) = 0.24 to find  number of…

Q: Suppose that the results of a survey show that 41% of people consider summer as their favorite…

A: Solution: The sample size formula is given as below: n = p*q*(Z/E)^2 We are given p = 0.41 q = 1 – p…

Q: What proportion of students studied more than 4 hours?

A: Given that Total number of students = 240 Number of students who studied more than 4 hours = 50

Q: 18, 12, 14, 15, 13, 14, 12, 17, 16, 15 solve for median

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Q: 3. Fencing costs $5.45 per foot and sod costs $0.62 per square foot. To allow for measurement error,…

A:

Q: A box truck rental service offers trucks in multiple sizes for people who are moving. If a 10-foot…

A: Given:           10−foot truck can carry 45 boxes.26−foot truck can carry 160 boxes.

Q: Suppose that the results of a survey show that 57% of people consider summer as their favorite…

A: From the provided information, Margin of error (E) = 6% that is 0.06 57% of people consider summer…

Q: If the price of gold is $238.00/ounce, calculate the value of gold in a 120.0 g ore sample that is…

A: Given Price of gold

Q: A report says that the average amount of time a 10-year-old American child spends playing outdoors…

A: A report says that the average amount of time a 10-year-old American child spends playing outdoors…

Q: Could you explain how to find the last question which talks about proportion?

A: First understand proportion Proportion means ( how many parts from total) Example : One apple is cut…

Q: Find an estimates of the average number of accidents per week in two different junctions.

A: Here given, Speed cameras (SC) are used to reduce the risk of accidents in accident-prone zones in…

Q: Describe about Margin of Error?

A: The area of variation of values above and below the sample statistic in a  computed confidence…

Q: A survey estimated that the average cost of textbooks for a semester of college is $320 with a…

A: Given The average cost of textbook for a semester of college is $320 So x¯ = 320 Margin of error E…

Q: Suppose that the results of a survey show that 35% of people consider summer as their favorite…

A: Critical value: Using the z-table, the critical value at 95% confidence level is

Q: What is the distance in miles between Sacramento CA and Las Vegas NV?

A: the distance in miles between Sacramento CA and Las Vegas NV is 564 miles (or) 908 kms

Q: Researchers conducted a survey among 400 doctors to ask the question; "Are you willing to treat your…

A: Given Sample size, n = 400  For a conservative case, we assume that the proportion of  patients…

Q: What is Margin of Error?

A: Margin of error: The margin of error is defined as a statistic that gives the amount of sampling…

Q: 4. A farmer estimated that there were 25 gallons of water left in a tank. If this is an…

A:

Q: 5. Estimate the value of V13. (Between which two whole numbers?)

A:

Q: Develop an estimate for the cost of a 500-mile automobile trip, if gasoline is $4 per gallon,…

A: We can calculate the cost of a 500-mile automobile trip by adding the cost of gasoline burnt and the…

Q: asked how many miles, to t ;; 20; 7; 10; 18; 5; 12; 13; 12 nulative relative frequencies ended in…

A: 10.(a)  Frequency distribution table:

Q: if the whale is 48 feet is it an outlier?

A: here use basic of Normal distribution

Q: A company wants to determine the frequency of the occurrence of invoice error. Suppose that in a…

A:

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: Suppose that the results of a survey show that 46% of people consider summer as their favorite…

A: The following information is available in the question

Q: A television commercial claims that 3 out of 4 dentists prefer GRIN toothpaste. If they surveyed 200…

A:

Q: 11. (a)Determine which city has more buildings that are at least 600 feet tall. seattle (b) What…

A: From the Histogram first let us construct frequency distribution for both the city. Tall Buildings…

Q: 7. What is the edge of a cube if its volume is numerically equal to its total area? 8. The diagonal…

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Q: If a line of one billion people stretched 327,465 miles long what is the average shoulder width of…

A:

Q: An engineer believes that by employing robots instead of humans for certain jobs in the…

A: Given : An engineer believes that by employing robots instead of humans for certain jobs in the…

Q: A study of damages awarded by judges in civil cases such as injury, factory liability, or medical…

A: Mean is defined as the simple mathematical average computed by dividing total observations by the…

Q: A biology class performs an experiment com- paring the quantity of food consumed by a certain kind…

A:

Q: 9. Which is longer a 2-mile race or a 10,000 ft race?

A: 2 Miles = 10,560 Feet

Q: school is paving a new rectangular area to create an additional, flat parking lot for teachers.…

A: Since, S.I. unit of measure distance is metre. So, unit for area of rectangular space is metre x…

Q: What is the percentage of students weighing less than or equal too 203 pounds

A: Solution Given box plot tell us the five point summary of the data .

Q: 13. The araler takt Is $7950IO on a stene015Ound SyrtemipuK chase of 7645. Find the sales tar rate..

A: To find the sales tax rate

Q: The speed, in miles per hour, of 24 cars on a particular road are recorded and represented on the…

A:

Q: According to the results of a survey, 40% of 396 people indicated that American football is their…

A: Given Data: p^=0.4 Let 'n' be the sample size Margin of Error=0.04   Let us assume level of…

Q: Suppose that the results of a survey show that 41% of people consider summer as their favorite…

A:

Q: If you spend 4 hours a week studying for English and 4.5 hours studying for math what is the ratio…

A: If spending 4 hours a week studying for English and 4.5 hours studying for math, to find what is the…

Q: How many drivers would you expect to have speeds between 170.4 mph and 177.0 mph ? Show all work.

A: The mean is 184.4 mph and the standard deviation is 7.2 mph.

Q: According to the results of a survey, 40% of 396 Leople indicated that American football is their…

A: Given Data: p^=0.4   Margin of error=0.04   Assuming significance level of 0.05 z0.05/2=1.96

Q: report says that the average amount of time a 10-year-old American child spends playing outdoors per…

A: Given report says that the average amount of time a 10-year-old American child spends playing…

Q: Suppose that the results of a survey show that 40% of people consider summer as their favorite…

A: Given Data: Let 'n' be sample size p^=0.4 Margin of error=0.04   Assuming level of significance to…

Q: A business serves 33 customers with 60 staff to maintain a strong ratio of staff to guests. How…

A:

Q: A salesperson purchased an automobile that was advertised as averaging 27 miles/gallon in the city…

A:

Q: - What percentage of the students is shorter than 135 cm?

A: Let X denote the height and f denotes the frequency. Then  Total frequency = 2+7+9+20+38+18+12+10+5…

Q: time a 10-year-old American child spends playing outdoors per day is between 19.28 and 24.08…

A: Given Data Lower limit = 19.28 upper limit = 24.08

Q: Suppose that the results of a survey show that 28% of people consider summer as their favorite…

A: Given Data: p^=0.28 Let 'n' be the random sample Margin or error=0.06   Let us assume level of…