The resting heart rates for a sample of individuals are normally distributed with a mean of 70 BPM (beats per minute) and a standard deviation of 5 BPM. Use the Empirical Rule (68-95-99.7 Rule) to answer the questions below. The percentage of heart rates greater than 85 BPM is 0%. %. The percentage of heart rates between 55 BPM and 70 □%. %. BPM is The percentage of heart rates between 60 BPM and 80 ·0%. BPM is The percentage of heart rates between 70 BPM and 75 BPM is %.

Q: The annual per capita consumption of oranges (in pounds) in the United States  can be approximated…

A: It is given that the mean and standard deviation are 19.2 and 4, respectively.

Q: Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1.…

A: Let the score be denoted by X. Z score corresponding to bone density score can be calculated as…

Q: The scores on a standardized test are normally distributed with a mean of 95 and standard deviation…

A: Formula : Let , mean = μ and standard deviation = σ The test score below 'a' standard deviation of…

Q: Assume that the results are normally distributed. Pedro took an exam in a class in which the mean…

A: The formula for z-score is z = x - μσ where μ is the mean and σ is the standard deviation.…

Q: Male and female populations of tortoises under 80 years old are represented by age in the table…

A: Here the given table is : Age males females…

Q: The scores on a standardized test are normally distributed with a mean of 105 and standard deviation…

A: Here, mean is 105 and standard deviation is 10.

Q: Assume that adults have iq scores that are normally distributed with a mean of 100 and a standard…

A: Solution: Let X be the adults IQ score has normally distributed with mean μ=100 and standard…

Q: A manufacturer of light bulbs finds that one light bulb model has a mean life span of 1025 h with a…

A: Mean = 1025 Standard deviation = 85 Raw score = 950

Q: The scores on a standardized test are normally distributed with a mean of 95 and standard deviation…

A: Given that, The scores on a standardized test are normally distributed with, Mean = 95 Standard…

Q: College students average 7.4 hours of sleep per night with a standard deviation of 45 minutes. If…

A: Given data  college students average 7.4 hrs of sleep with standard deviation of 45mins

Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the IQ…

A: Excel formula: =NORMINV(0.305,0,1)=-0.5100

Q: scores are normally distributed with mean 500 and standard deviation 100. Julie scores 650. Her…

A: Consider X be the random variable representing the SAT scores. X follows normal distribution with…

Q: he scores on a standardized test are normally distributed with a mean of 105 and standard deviation…

A: Consider X be the random variable representing the he scores on a standardized test.    X is…

Q: Scores on a test have a mean of 6 and a standard deviation of 9. Michelle has a score of 57. Convert…

A:

Q: The final exam is worth 200 points with the usual 10% grading scale. Assume that the final exam…

A: Given Information: Mean (u) = 161 points Standard deviation (s) = 22

Q: A manufacturer of light bulbs finds that one light bulb model has a mean life span of 1026 h with a…

A: Given :- A manufacturer of light bulbs finds that one light bulb model has a mean life span of 1026…

Q: he mean yearly rainfall in Sydney, Australia, is about 137 mm and the standard deviation is about 69…

A: Mean Standard deviation Yearly rainfall is normally distributed.

Q: Birth weight, in grams, of newborn babies are normally distributed with a mean of 3290 grams and a…

A: Mean=3290gmStandard deviation =520gm

Q: The scores on a standardized test are normally distributed with a mean of 85 and standard deviation…

A: If X be the scores. It is known- X~N85, 202 where, m: mean = 85 s: standard deviation = 20

Q: ter and a standard deviation of 25 milligrams per deciliter. What cholesterol level separates the…

A: mean = 215 standard deviation = 25 What cholesterol level separates the lowest 10​% from the highest…

Q: The scores on a standardized test are normally distributed with a mean of 90 and standard deviation…

A: The test score is 0.6 standard deviations above the mean is obtained below: From the given…

Q: The life expectancy of a laser-printer toner cartridge varies Calculate the value of the…

A: From the Excel function, 1st quartile 0.0825 =QUARTILE(D2:D31,1) 3rd quartile 0.23…

Q: The scores on a standardized test are normally distributed with a mean of 85 and standard deviation…

A: Since z-score is a measure of how far the standard deviation is away from the mean (Above/below).…

Q: A study was conducted on shoe sizes of students, reported in European sizes. For the men, the mean…

A: Answer:- Given, In European sizes , the mean size = 43.96  standard deviation = 2.24  Also given…

Q: Solar earned a score of 940 on a national achievement test. The mean test score was 850 wth a…

A: Given that  Solar earned a score of 940. The test scores are normally distributed. Mean test score…

Q: A student will spend 15 hours average each week in class. If the standard deviation is 2 hours, what…

A: Given that mean=15 and standard deviation = 2 Let, X= number of hours spent by a student in the…

Q: he scores of adults on an IQ test are approximately Normal with mean 100 and standard deviation 15.…

A:

Q: On an exam, Tom scores 12 points above the mean and has a z-score of z = +2.00. The standard…

A:

Q: Assume that math test scores are normally distributed with a mean of 400 and a standard deviation of…

A:

Q: In a population distribution, a score of X= 57 corresponds to z= -0.25 and a score of X= 87…

A: From the given information, The distance between 57 and 87 is 30 units. (=87–57) The distance…

Q: The scores on a test are normally distributed with a mean of 150 and a standard deviation of 30.…

A: The normal distribution:A continuous random variable X is said to follow normal distribution if the…

Q: Scientists find that a particular species of caterpillar has a mean mass of 32 grams with a standard…

A:

Q: Scores on an IQ test are normally distributed with a mean of 50 and a standard deviation of 20.…

A: Given: Mean = 50 Standard deviation (σ) = 20

Q: The annual per capita consumption of oranges (in pounds) in the United States  can be approximated…

A: It is given that the mean and standard deviation are 19.2 and 4, respectively.

Q: As a group, the Dutch are among the tallest people in the world. The average Dutch man is 184 cm…

A: For the distribution of the height of Dutchmen (which is specified to be approximately normally…

Q: A manufacturer of light bulbs finds that one light bulb model has a mean life span of 1026 h with a…

A: Given, Mean life span of 1026 h and standard deviation 86 h.

Q: The average birth weight of elephants is 230 pounds. Assume that the distribution of birth weights…

A: Given,mean(μ)=230standard deviation(σ)=50

Q: Scores on an IQ test are normally distributed with a mean of 100 and a standard deviation 15. what…

A: Consider X be a random variable which follows normal distribution indicates the scores on an IQ…

Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the…

A: Reviewing information, Given, X : Individual's IQ score X~N(μ=100 , σ=15)

Q: Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 570 and a…

A:

Q: The scores on a standardized test are normally distributed with a mean of 95 and standard deviation…

A: Mean = 95 Standard deviation = 2