The amount of time to complete a physical activity in a PE class is normally distributed with a mean of 33.2 seconds and a standard deviation of 5.5 seconds. Round answers to 4 decimal places.

Q: On the Gulf Freeway at 7:00 AM, the average travel time from Beltway 8 to Downtown is 29.5 minutes…

A: From the given information,   Mean = 29.5 Standard deviation = 11.2   The objective is to calculate…

Q: The number of ounces of water a person drinks per day is normally distributed with a stsndard…

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Q: The reading speed of sixth-grade students is approximately normal, with a mean speed of 125 words…

A: Mean = 125 Standard deviation = 24

Q: The heights of men, in centimetres, are normally distributed with a mean of 175 and a standard…

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Q: During 1 week, an overnight delivery company found that the weights of its parcels were normally…

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Q: Steel rods are manufactured with a mean length of 25 centimeters (cm). Because of the variability in…

A: Given, Steel rod length are normally distributed with mean 25 cm and standard deviation 0.07.

Q: 2. The mean height for men is 70 inches with a standard deviation of 5 inches. Find the z- score of…

A: For the first question there is no data of 12 adult males in an office. So, iam answering for the…

Q: the time it takes a student to complete the statistics exam follows a normal distribution with a…

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Q: The number of ounces of water a person drinks per day is normally distributed with a standard…

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Q: A particular leg bone for dinosaur fossils has a mean length of 5 feet with a standard deviation of…

A: Given, A particular leg bone for dinosaur fossils has a mean length of 5 feet with a standard…

Q: The average number of acres burned by forest and range fires in a large New Mexico county is 4,300…

A: GivenMean(μ)=4300standard deviation(σ)=750

Q: The length of time it takes a Grade 11 student to play the Candy Crush computer app follows a normal…

A: Given that  The length of time it takes a grade 11student to play the candy crush computer is…

Q: On a standardized exam, the scores are normally distributed with a mean of 35 and a standard…

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Q: The results of a recent survey indicate that the average new car costs $23,000, with a standard…

A: It is given that the mean new car cost is $23,000 with a standard deviation of $3,500.

Q: in city, the average 20- to 29-year old man is 69.4 inches tall, with a standard deviation of 3.0…

A: Let X be hight of Man from normal distribution with mean (μ) = 69.4, standard deviation (σ) = 3.0…

Q: The mean height of Grade 11 students at a certain University is 150 cm and the standard deviation is…

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Q: The mean BMI score for dieters on the Jenny Craig weight loss program is 38.5, and the standard…

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

Q: An instructor in a large lecture class found, at the end of the semester, that the total point…

A: The provided information is:

Q: During the fall season of racing at Dover International Speedway, the mean speed of the cars racing…

A: Assume that the racing speeds are normally distributed.

Q: During 1 week, an overnight delivery company found that the weights of its parcels were normally…

A: A normal distribution is called a standard distribution if; 1. 68% of the values of the random…

Q: The mean score on the SAT in 2017 was 1060, and the standard deviation was 195. Assume the scores…

A: Given,  Mean μ=1060  Standard deviation σ=195Let x be score of a randomly selected person

Q: The fuel efficiency of cars currently registered in the Commonwealth of Virginia is normally…

A: X follows a Normal distribution with mean = 24 and S.D = 6 Then z=(x-mean)/SD = (x-24)/6  follows…

Q: The wind speeds throughout the month of April were normally distributed with a mean of 17 mph and a…

A: We have given that  X~N(mu,sigma ^2) mu=17,sigma =4 Z-socre =(x-mu)/sigma

Q: . The average number of calories in a bar is 250 and has a standard deviation of 15. The number of…

A: As per our guidelines we are supposed to answer only one question per post so I am solving first…

Q: The Atlanta Braves baseball team has a mean batting average of 250 with a standard deviation of 20.…

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Q: Adult women in the U.S. have a mean height of 64.3", with a standard deviation of 2.58 inches.…

A:

Q: The scores on the final exam in a statistics course are close to being normally distributed. The…

A: Normal distribution: It is a continuous probability distribution, that is bell-shaped with lighter…

Q: The fastballs follow a Normal distribution with mean μ = 92 mph and a standard deviation of σ = 2…

A:

Q: the average height on the soccer team is 66 inches with a standard deviation of 3. a z score of -1.6…

A: Introduction: Consider X as a normally distributed random variable, with mean μ and standard…

Q: According to a report by the U.S. Fish and Wildlife Service, the mean length of six-year-old rainbow…

A: As per Bartleby guideline expert have to answer first question only dear student please upload other…

Q: The time it needs a communications worker to arrange a domestic phone call is normally distributed…

A: It is given that the mean is 50 seconds and standard deviation is 8 seconds.

Q: At a college, the mean height of women is 63 inches with the standard deviation of 3 inches. What is…

A: Given,mean(μ)=63standard deviation(σ)=3

Q: Describe  the scores in a sample  that has a standard  deviation of zero

A: If the standard deviation is zero there will be no dispersion of scores from the Mean. It means that…

Q: Books in the library are found to have an average length of 350 pages with a standard deviation of…

A: Given that, Books in the library are found to have an average length of 350 pages with a standard…

Q: The height of men in the United states fits with a normal distribution with a mean of 70 inches and…

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Q: On a recent quiz, the class mean was 75 with a standard deviation of 4. Calculate the z-score (to 4…

A:

Q: The heights of male students are normally distributed with a mean of 170 cm and a standard deviation…

A: The heights of male students are normally distributed with a mean of 170 cm and a standard deviation…

Q: The exam scores of 200 students are distributed normally with a mean of 72 and a standard deviation…

A: Total students = 200 Standard deviation = 10 And distribute mean = 72 We have to find the number of…

Q: The number of text messages that teenagers send per month is normally distributed with a mean of…

A: We have given that  X~N(mu,sigma ^2) mu=3400,sigma =450 and X=4415 Z-socre =(X-mu)/sigma

Q: Scores on a recent NYS Standardized Exam were normally distributed with a mean of 77.6 and a…

A: Given: Mean = 77.6 Standard deviation = 4.3

Q: The income of trainess at a local mill are normally distributed with a mean of $1100 and a standard…

A: Let Y be the income of trainee mean = μ = $1100 standard deviation = σ = $150

Q: A biologist found the wingspans of a group of monarch butterflies to be normally distributed, with a…

A: Given,Mean (μ) = 52.2Standard deviation (σ) = 2.3a) Required probability is…

Q: On a standardized exam, the scores are normally distributed with a mean of 450 and a standard…

A:

Q: The daily sales at a convenience store have a mean of $1280 and a standard deviation of

A: As given, the daily sales at a convenience store have a mean of $1280 and a standard deviation of…

Q: The scores of students on an exam are normally distributed with a mean of 193 and a standard…

A:

Q: The mean cost of domestic airfares in the United States rose to an all-time high of $385 per ticket.…

A: It is given that cost of domestic affairs follows normal distribution with mean $385 and standard…

Q: The reading speed of sixth grade students is approximately normal with a mean speed of 115 word per…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: The weights of baby tortoises are approximately normally distributed with a mean of 25.6 ounces and…

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Q: The scores for all high school seniors taking the verbal section of the Scholastic Aptitude Test…

A: Given distribution is bell shaped. In bell shaped distribution mean, median and mode are equal.…

Q: On a recent quiz, the class mean was 74 with a standard deviation of 2.8. Calculate the z-score (to…

A: