Houses in a certain neighborhood have a mean price of 374,363 with a standard deviation of 17,424. What is the lower limit of the interval that contain 99.7% of home prices using the empirical rule? Use whole numbers with no decimals in your answer
Q: You scan the rest of the questions in this assignment and decide it is time to get back to your…
A: You scan the rest of the questions in this assignment and decide it is time toget back to your music…
Q: Consider a value to be significantly low if its z score less than or equal to -2 or consider a value…
A: Given: Mean μ=19.8 Standard deviation σ=5.2 If z≤-2, lowz≥2, high
Q: Consider a value to be significantly low if its z score less than or equal to - 2 or consider a…
A: The formula of z score is: z=x-uσ The values less than or equal to -2 can be considered as…
Q: A group of adult males has foot lengths with a mean of 28.33 cm and a standard deviation of 1.46 cm.…
A:
Q: In a Statistics examination, the mean score is 82 and the standard deviation is 3.5. If the teacher…
A:
Q: The standard deviation of the number of words in a sentence by students is 3 words. It is believed…
A:
Q: pu want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based…
A:
Q: A group of adult males has foot lengths with a mean of 27.78 cm and a standard deviation of 1.36 cm.…
A: In this problem, we are given information about the foot lengths of a group of adult males,…
Q: Average words in a romance novel is 64,253 and the standard deviation is 17,467 assuming the…
A: μ = 64253σ = 17467
Q: A process window is set so that 95.44% of product passes the process spec. In order to pass, the…
A: question: A process window is set so that 95.44% of product passes the process spec. In order to…
Q: A manufacturer of potato chips would like to know whether its bag filling machine works correctly at…
A: The test hypotheses are given below:
Q: An important factor in selling a residential property is the numer of times real estate agents show…
A: Given,sample size(n)=22sample mean(x¯)=26sample standard deviation(s)=8degrees of…
Q: The mean is 20,000 and the standard deviation is 1000, use the 68-95-99.7 rule to find the…
A: We have given that the mean is 20,000 and the standard deviation is 1000.
Q: We want to compare cholesterol levels between men and women, so we collect a sample of 20 women and…
A: From the given information,
Q: What percent of women fall between 64 inches and 77 inches?
A: The objective of this question is to find out the percentage of women who fall between 64 inches and…
Q: Consider a value to be significantly low if its z score less than or equal to -2 or consider a value…
A:
Q: A machine used to fill gallon-sized paint cans is regulated so that the amount of paint dispensed…
A: Given that mu = 138 s.d = 0.4
Q: How many apps? According to a website, the mean number of apps on a smartphone in the United States…
A: Given Data Population Mean,μ = 83.0 Population Standard Deviation,σ = 27.0
Q: Liz has applied to a college that requires students to score in the top 6.7% on the Mathematics…
A: A continuous random variable X is said to follow Normal distribution with parameters μ and σ2 if its…
Q: The average American spends 25 hours a week on the Internet. Assume the times are normally…
A: From the given information, μ=25σ=4.5
Q: i want to estimate the mean number of minutes that a 7 year old watches TV daily. How many kids…
A: Given data,σ=45E=15z-value at 99% confidence is Zc=2.576n=?
Q: The mean act composite score of students is 22 with a standard deviation of 3.75. Assume the act…
A:
Q: 2. Give an interval that covers the middle 95% of the distribution of the sample mean. etween Lower…
A: Given: Mean μ=25000 Standard deviation σ=1600
Q: The average number of accidents at controlled intersections per year is 4.9. Is this average a…
A: Given information: Population mean, μ=4.9 Sample size, n=67 Sample size, x¯=5 Sample standard…
Q: Consider a value to be significantly low if its z score less than or equal to -2 or consider a value…
A: Given Mean, μ=20.5SD, σ=5.4
Q: A sample of 9 shoppers at a supermarket is interviewed as they queue at the checkout. The number…
A:
Q: Consider a value to be significantly low if its z score less than or equal to - 2 or consider a…
A: The z-score of a random variable x is defined as follows: z = (x – µ)/σ. Here, µ and σ are the mean…
Q: (Round to three decimal places as needed) (e) Using the normal model from part (c), find the…
A: We have given thatMean() = 1246.9standard deviation () = 101.6
Q: The scores for a standardized test follow a normal distribution with a mean test score = 84, and…
A:
Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…
A: We have to solve the given problem by normal distribution.
Q: 12. It is the square of the population standard deviation. Answer:
A: ( 12 ) It is the square of the population standard deviation .
Q: A woman gave birth 310 days after a visit from her husband who was in the Navy. Assume normally…
A: Given Information: A woman gave birth 310 days after a visit from her husband who was in the Navy.…
Q: How can the empirical rule be restated in terms of z-scores and percentiles? Restate it for four out…
A:
Q: ents are made of the length of a piece of metal with a Vernier caliper. 11 values are 8.95 0.05 mm,…
A:
Q: The marketing director of a large department store in Metro Manila wants to estimate the average…
A:
Q: mean 40,756 standard deviation 7000. find the proportion that are greater than 40,000.
A: Mean = 40756Standard deviation = 7000P(X > 40000) = ?
Q: 11.21 What proportion of male fruit flies have thorax leng between 0.9 and 1 mm? (a) 0.0254. (b)…
A: Standard normal distribution: The standard normal distribution is a special case of normal…
Q: Consider a value to be significantly low if its z score less than or equal to -2 or consider a value…
A:
Q: Carbon dioxide emissions in the European Union had a mean of 8.3 and a standard deviation of 3.3.…
A: The objective of the question is to calculate the z-score of Canada's carbon dioxide emissions…
Q: Arsenic is a compound that occurs naturally in very low concentrations. Arsenic blood concentrations…
A: Software Procedure: Step-by-step procedure to obtain the range of arsenic blood concentrations…
Q: Please must be worked out in excel According to the Canadian Newspaper Association, the average…
A: Let X be random variable of paper's daily circulation. Mean(X)=302190 Standard Deviation(X)=7308 X~…
Q: Are Older men Shorter than younger men? According to a national report the mean theight arus men IS…
A: Given information: μ=69.4x¯=68.7n=300σ=3.42α=0.05
Q: The number of potholes in any given 1 mile stretch of freeway pavement in Pennsylvania has a bell-…
A: Solution: Let X be the number of potholes in any given 1 mile stretch of freeway pavement in…
Houses in a certain neighborhood have a
What is the lower limit of the interval that contain 99.7% of home prices using the empirical rule?
Use whole numbers with no decimals in your answer
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of 110 minutes and a standard deviation of 10minutes. What proportion of 1040R tax forms will be completed in at least 118 minutes? Round your answer to at least four decimal places.IQs are normally distributed with a mean of 100 and a standard deviation of 15. Determine the percentage of IQ scores between 85 and 100, to the nearest whole number.Consider a value to be significantly low if its z score less than or equal to -2 or consider a value to be significantly high if its z score is greater than or equal to 2. A test is used to assess readiness for college. In a recent year, the mean test score was 19.2 and the standard deviation was 4.5. Identify the test scores that are significantly low or significantly high. What test scores are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. A. Test scores that are greater than_____(Round to one decimal place as needed.) B. Test scores that are less than____(Round to one decimal place as needed.) C. Test scores that are between_______ and _____(Round to one decimal place as needed. Use ascending order.)
- pls answer based on the choicesYour hospital has just reset the safety stock level for sleeping pills to be 205 pills. If your hospital consumes an average of 1441 per day with a standard deviation of 78.544 pills, what is the chance that your hospital will run out of sleeping pills on any day? (Keep four decimal places in your answer, which should be a number not a percentage) Your Answer:Consider a value to be significantly low if its z score less than or equal to - 2 or consider a value to be significantly high if its z score is greater than or equal to 2. A test is used to assess readiness for college. In a recent year, the mean test score was 21.8 and the standard deviation was 5.1. Identify the test scores that are significantly low or significantly high. What test scores are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Test scores that are less than (Round to one decimal place as needed.) O B. Test scores that are greater than (Round to one decimal place as needed.) C. Test scores that are between and (Round to one decimal place as needed. Use ascending order.)
- The average number of words in a romance novel is 64,285 and the standard deviation is 17,145. Assume the distribution is normal. Let X be the number of words in a randomly selected romance novel. Round all answers to 4 decimal places where possible. Please show TI-84 solution c. The 70th percentile for novels is words. (Round to the nearest word)d. The middle 40% of romance novels have from words to words. (Round to the nearest word)Consider a value to be significantly low if its z score less than or equal to -2 or consider a value to be significantly high if its z score is greater than or equal to 2. A test is used to assess readiness for college. In a recent year, the mean test score was 20.2 and the standard deviation was 4.9. Identify the test scores that are significantly low or significantly high. What test scores are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. (Round to one decimal place as needed.) OA. Test scores that are greater than OB. Test scores that are between OC. Test scores that are less than and (Round to one decimal place as needed. Use ascending order.) (Round to one decimal place as needed.) Select the correct answer below and fill in the answer box(es) to complete your choice. What test scores are significantly high? OA. Test scores that are less than OB. Test scores that are greater than OC. Test scores that are between and…The mean score for first exam in your first organic chemistry class (section A) was 60, with a standard deviation of 5. Your score on the exam was 70. A. How many standard deviations above the mean is your score?
- The mean length of time, per week, that students at a certain school spend on their homework is 24.3hours, with a standard deviation of 1.2 hours. Assuming the distribution of study times is normal,what percent of students spend more than 25.5 hours per week on homework? The answer 16% of the students spend more than 25.5 hours per week. Please can you help explain step by step how 16% was obtained? Thank youThe class average on a statistics test is 68 marks with a standard deviation of 9 marks. What minimum mark must a student obtain to be in the top 12% of the class? For full marks your answer should be accurate to at least one decimal place. The Top 12.0% Minimum Mark =Consider a value to be significantly low if its z score less than or equal to - 2 or consider a value to be significantly high if its z score is greater than or equal to 2. A test is used to assess readiness for college. In a recent year, the mean test score was 21.8 and the standard deviation was 4.6. Identify the test scores that are significantly low or significantly high. What test scores are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Test scores that are greater than (Round to one decimal place as needed.) O B. Test scores that are less than (Round to one decimal place as needed.) O C. Test scores that are between and (Round to one decimal place as needed. Use ascending order.)