The weight of each cookie in a batch of a certain type of commercially produced cookie follows an approximately normal distribution with a mean of 11.32 grams and a standard deviation of 0.03 grams. Approximately what percent of the cookies weigh between 11.32 and 11.35 grams?

Q: Assume the average (mean) number of minutes a group of people meditate is 20 minute per day and has…

A: Solution: Let X :  A group of people mediate.  Assumed X be the normal distribution with mean 20…

Q: According to a recent survey, the salaries of assistant professors have a mean of $40,756 and a…

A: We want to find the probability

Q: In a county male height is normally distributed with a mean of 175 cm and a standard deviation of 6…

A:

Q: The number of minutes spent reading in one day is normally distributed with a mean of μ = 23 and a…

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

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

A:

Q: The annual income of residents in a county is $42,000 with a standard deviation of $10,000.  Under…

A: From the given information, the distribution of annual incomes is normally distributed with mean…

Q: Assume that the distribution of systolic blood pressure of adult men has a mean of 110 mmHg and…

A:

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

A: Given: Mean(μ)=17standard deviaion(σ)=4

Q: a particular fruit weights are normally distributed, with a mean of 787 grams and a standard…

A: Let us define X=Random variable of the fruit’s weight with mean=787 grams and standard deviation= 9…

Q: A company finds that for its 12 ounce cans of soda, the actual amount of soda inside is Normally…

A: Solution-: Given: μ=12,σ=0.25 We find x value such that P[X<x]=0.15

Q: Which graph shows a normal distribution of student heights with a mean of 170 cm and a standard…

A: Normal Curve :The following are the normal curve properties The normal curve is bell shaped with…

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: Steel rods are manufactured with a mean length of 27 centimeter​ (cm). Because of variability in the…

A: Given Data Population Mean,μ = 27.0 Population Standard Deviation,σ = 0.06

Q: The cruising altitudes for the fleet of one commercial airliner are normally distributed with a mean…

A: It is given that the mean is 34,950 and the standard deviation is 1,800.

Q: Birth weights at a local hospital have a Normal distribution, with a mean of 110110 oz and a…

A:

Q: A study determined the average amount a person spends on candy during Halloween is $80 with a…

A: Here, μ=80 and σ=15

Q: The chickens at Colonel Thompson's Ranch have a mean weight of 1850 g, with a standard deviation of…

A:

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: A coffee company packs coffee marked as 250 g. A large number of coffee packs were weighed and the…

A: Given data,Mean μ=255sd      σ=2.5P(X<250)=?

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: The golf scores for a school team were normally distributed with a mean of 68 and a standard…

A: Let X be the golf scores. It is given that X is normally distributed with mean 68 and standard…

Q: A normal distribution has a mean of 60 and a standard deviation of 20. Barbara's score is 40. What…

A: It is given that the Normal distribution has a mean 60 and a standard deviation of 20.  Suppose X be…

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: Approximately how many policemen have waist girth less than 37.25 inches

A: The waist of 2,500 policemen is normally distributed with a mean of 35 inches and a standard…

Q: The scores of students on an exam are normally distributed with a mean of 241 and a standard…

A: We have given that,  Let X be the random variable from normal distribution with mean (μ) = 241 and…

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 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 mean height of trees in the virgin forest of Zambales is 42 feet and the standard deviation is 3…

A: The mean height of trees in the virgin forest of Zambales is 42 feet and the standard deviation is 3…

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

A:

Q: The typical college freshman spends an average of ?=150 minutes per day, with a standard deviation…

A: Solution: Let X be the time on social media. From the given information, X follows normal…

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

A:

Q: The amount of rainfall in January in a certain city is normally distributed with a mean of 3.7…

A: Let "X" be the amount of rainfall in January in a certain city in inches. Find z-score (z):…

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

A:

Q: According to a recent survey, the salaries of assistant professors have a mean of $41,750 and a…

A:

Q: Assume the average amount of caffeine consumed daily by adults is normally distributed with a mean…

A: The detailed solution is as follows below:

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: According to a marketing website, adults in a certain country average 51 minutes per day on mobile…

A: We are given,Mean = μ = 51Standard deviation = σ = 7Percentile = 80th

Q: A particular fruits weights are normally distributed, with a mean of 797 grams and a standard…

A: Let us assume X= weight of a particular fruit Given that X follows a normal distribution with mean=…

Q: Given an approximately normal distribution with a mean of 175 and a standard deviation of 37,…

A: Given info: Here, mean is 175 and standard deviation is 37.

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

A:

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

A: It is given that mean and standard deviation are 530 inches and 80, respectively.

Q: In a county male height is normally distributed with a mean of 177 cm and a standard deviation of 6…

A:

Q: The amount paid for a particular model car is normally distributed with a mean of $15,300 and a…

A:

Q: Interpret the ­z-score of 1.45 in terms of its relationship to standard deviation as well as the…

A: Solution: From the given information, z=1.45.

Q: According to a recent survey, the salaries of assistant professors have a mean of $41,750 and a…

A:

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

A:

Q: Among the female in a certain country between the age of 18 and 74 years of age, diastolic blood…

A: Given,Mean μ = 77Standard deviation σ = 11.6

Q: A set of data items is normally distributed with a mean of 60 and a standard deviation of 9. Convert…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.